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SONOFF 1Channel Inching Self-Locking WiFi Switch 5V 12V

SONOFF 1Channel Inching Self-Locking WiFi Switch 5V 12V (7-32V) - Open and Close gate from app / alexa / google

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  • 5V/12V (7-32V) DC low voltage input
  • eWeLink: Free mobile App 
  • Set scheduled/countdown timers to turn on/off at specified time
  • Turn on/off multiple devices with one tap
  • Smart Scene–Triggered on/off by temperature, humidity or other environmental conditions from sensor
  • Compatible with Amazon Alexa, Google Assistant, IFTTT, Google Nest
  • Open & Close gate from app / alexa / google
R190 incl. VAT Save R19
R165 excl. VAT

Volume discounts

Quantity Price You Save
5 R182 4%
10 R179 6%
30+ click to email

IN STOCK at GeeWiz!
If ordered before 4PM:
DELIVERED next business day (main centres)
or 3-5 days (regional areas or large items)
COLLECTION from GeeWiz available SAME DAY
Also available for in-store purchase during business hours!



Enables remote control of home appliances through the mobile application eWeLink, available on both Android and iOS. Supported functions include:

  • Remote turn on/off
  • Timing Schedules
  • Device Sharing
  • Group Management
  • Works with Amazon Echo, Echo Dot, Amazon Tap
  • Works with Google Home, Google Nest
  • Works with IFTTT

Note: we have changed the WiFi module from PSA to PSF recently. PSF is more powerful.

Works With Amazon Alexa

This product works with Amazon Alexa. You can ask Alexa to control the device with the following voice commands. Please note that only US/UK English and German voice commands are supported now.

Try out these phrases ( {deviceName} should be the name of your device):

Alexa, turn on {deviceName}
Alexa, turn off {deviceName}
Alexa, turn {deviceName} off
Alexa, turn {deviceName} on

There are two working modes for the product: inching mode and self-locking mode. Users can press the self-lock/inching mode button to switch between these two modes.

When the module is switched to self-locking mode, users can turn on/off the connected appliance instantly. There are two wiring way.

When the module is switched to inching mode, users can press the on/off toggle button to turn on or off the connected device. There are two kinds of wiring way.

The first wiring option is to connect COM and NO with an appliance. In this case, when users press the setting button or use the APP to switch on, all connected appliances will be switched on for 1s and then automatically turned off.

The second wiring method is to connect NC and COM with an appliance. In this way, when users press the setting button or use the APP to switch off, all connected appliances will be turned off for 1s and then automatically turned on.

LED Indicator:

There are 3 LED indicators. The LED next to the self-lock/inching mode button indicates the working mode (on self-locking mode, off inching mode).

The LED next to the on/off setting button indicates WIFI status(enter pairing status: long press the setting button until the LED blinks fast).

And the one below the relay indicates relay on or off status (on turn on the connected device, off turn off the connected device).

Note: the two models are not hackable.


  • Dimensions:70.5 x 27.4 x 23mm
  • Power supply: 5V/12V (7-32V) DC
  • LEDs: 3 LEDs which indicates working mode, wifi status, relay on/off status respectively.
  • Two input interfaces 
  • Board consumption: <1W
  • Standby current: 80mA
  • Max input current: 10A
  • Supports to control different voltage ranges 
  • Relay lifespan: more than one million times
  • 100M electrical insulation resistance
  • Electric shock voltage: 1000V
  • Relay maximum pull time: 15ms
  • Relay maximum release time: 5ms
  • Operating temperature: 0ºC-40ºC(32°F-104°F)
  • Operating Humidity 40% ~ 80% RH
  • Name : Return policy
  • Description

    Return of merchandise (RMA) and Warranty

    We want you to be happy with the purchase you have made from us. If you are not completely satisfied, you may return the product to us and we will either refund, credit, repair/replace it, subject to the below terms and conditions. 

    All items are covered by a 12 month warranty (unless otherwise stated) which will be honoured directly by GeeWiz. All products will either be replaced/repaired/refunded depending on stock availability. Products will require evaluation by GeeWiz before a warranty claim can be accepted.

    Please note: Should the item being returned for assessment be found to be in good working order, unfortunately the collection and re-shipping fee will apply

    *from R99 per shipment

    Please log your return on your account, under the returns manager.

    We do not reimburse your fee to ship to us, but we will pay for return shipping if the item is subject to replacement. If the item you wish to return was ordered incorrectly / is no longer required / you have changed your mind, there is a collection of fee of R99 that will be charged and this will be deducted from the refund amount once the supplier has credited us. Please note GeeWiz will only cover return shipping of a faulty unit within 6 months of purchase, after which, a shipping fee (starting at R99) will be applicable to you for return of the unit.

    Any disputes relating to ordered items being short/incorrectly shipped will only be entertained if reported to GeeWiz within 3 days of delivery/collection.

    Refunds are subject to inspection of item(s) - in some cases, items will need to be sent to supplier for evaluation and testing. This can take up to 15 working days. Once a refund has been approved, this may take 3 - 5 business days to be processed.

    All returns are subject to a 15% restocking fee if item is no longer in BRAND NEW condition or if item seal/packaging has been broken.

    Please re-package safely and include all original product packaging.  

    All software products are unfortunately not eligible for credit or refund once purchased.

    GeeWiz reserves the right to refuse a refund if the item is damaged from misuse, items are missing, or if the product is altered in any way. 

    GeeWiz or its affiliates are not responsible for damage or loss of any kind that may occur as a result of using or misusing any product purchased from us.

    The warranty will no longer be valid, and GeeWiz will not be responsible for damage or injury of any kind resulting from:

    • Electricity fluctuations and surges, lightning strikes, faults in the building wiring, faulty installations, and improper use of controls
    • Failure to use the product in accordance with the operating instructions and or general misuse and or abuse
    • Damage caused by a superior force (vis maior) or if the product has been infested with insects or pests
    • If the product is physically damaged after it left the store
    • If water or liquid caused the damage to the product
    • If the warranty seal is tampered with
    • Any repair or tampering by an unauthorised person or attempt to repair or tamper with the equipment, or use of parts not supplied by authorised agents, or alterations or modification to the equipment shall render the warranty null and void.
  • Click here to get more details

If you have any further questions, please feel free to use the form below to ask:

*(Required to be notified when an answer is available)
By Johan V. on  19 Apr. 2022 (SONOFF 1Channel Inching Self-Locking WiFi Switch 5V 12V (7-32V) - Open and Close gate from app / alexa / google) :
The customer has rated the product but has not posted a review, or the review is pending moderation
By Kevin B. on  04 Feb. 2021 (SONOFF 1Channel Inching Self-Locking WiFi Switch 5V 12V (7-32V) - Open and Close gate from app / alexa / google) :

Works 100%

Works 100%

By Jason M. on  24 Jan. 2021 (SONOFF 1Channel Inching Self-Locking WiFi Switch 5V 12V (7-32V) - Open and Close gate from app / alexa / google) :

Very good and easy product

Very good and easy product

By Phil M. on  15 Jan. 2021 (SONOFF 1Channel Inching Self-Locking WiFi Switch 5V 12V (7-32V) - Open and Close gate from app / alexa / google) :

Working from anywhere with my

Working from anywhere with my phone. No connection issues. Easy setup.

By William H. on  05 Jan. 2021 (SONOFF 1Channel Inching Self-Locking WiFi Switch 5V 12V (7-32V) - Open and Close gate from app / alexa / google) :

Does the job (Gate Trigger),

Does the job (Gate Trigger), connects to Google Home via eWeLink app extension. Runs off 12VDC or 5Vusb. Needs an internet connection to their servers make it all work.

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