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Fit this sensor to a door or window in your entrance hall to keep an eye on coming and going. It sends an alert to your phone when the door or window opens, so you can quickly check in even when you’re not at home.
Put this sensor on a front door or an internal access door, like the one between your garage and house. It detects when the parts move apart and links with your smart home system so you get fast notifications. That simple status update helps you spot unexpected activity or confirm arrivals without watching cameras or walking to the door. It’s small and discreet, so it blends into the frame and stays out of sight.
Specifications
- Voltage: DC 3V
- Battery Specs: 2 x AAA 1.5V (Not included)
- Material: PC V0
- IP Rating: IP20 – Indoor Use
- Dimensions: Main sensor: 70 x 31 x 19 mm; Magnet: 42 x 14 x 16 mm
Choose An Indoor Mounting Spot: Select an indoor door or window, such as an entrance hall, for installation to match the IP20 rating.
Align Sensor And Magnet: Place the main sensor on the frame and the magnet on the door so they align when the door or window closes.
Insert The Correct Batteries: Install two AAA 1.5V batteries into the sensor, then close the compartment securely before mounting.
Test For Phone Alerts: Open and close the door or window to confirm the sensor triggers and your phone receives an alert when it opens.
Keep It Clean And Dry: Wipe the PC housing gently and keep it away from moisture or splashes, as it is intended for indoor use.
Does it send phone alerts when the door opens?
Yes, it sends an alert to your phone when the door or window opens.
Is it suitable for indoor use?
Yes, it is IP20 rated for indoor use.
What batteries does it use?
It uses 2 x AAA 1.5V batteries (not included) and operates at DC 3V.
Where should I install it?
Fit it to a door or window in your entrance hall.
What are the dimensions?
The main sensor is 70 x 31 x 19 mm and the magnet is 42 x 14 x 16 mm.
Fit this sensor to a door or window in your entrance hall to keep an eye on coming and going. It sends an alert to your phone when the door or window opens, so you can quickly check in even when you’re not at home.
Put this sensor on a front door or an internal access door, like the one between your garage and house. It detects when the parts move apart and links with your smart home system so you get fast notifications. That simple status update helps you spot unexpected activity or confirm arrivals without watching cameras or walking to the door. It’s small and discreet, so it blends into the frame and stays out of sight.
Specifications
- Voltage: DC 3V
- Battery Specs: 2 x AAA 1.5V (Not included)
- Material: PC V0
- IP Rating: IP20 – Indoor Use
- Dimensions: Main sensor: 70 x 31 x 19 mm; Magnet: 42 x 14 x 16 mm
SONOFF Wi-Fi Door/Window Sensor
- Regular price
- R 257.00
- Sale price
- R 257.00
- Regular price
-
R 369.00
Dispatch & Arrival Estimate
Current Order Timing
Accurate delivery estimates based on our real shipping data!
Shipping Costs
Orders below R1,500: R67 to R129.
Urgent Order? Contact our team and we’ll make a plan!
Delivery Times
- Estimated Delivery: 2–10 working days.
- Cape Town Collection: Yes – once confirmed.
- Farm Deliveries: PEP or PostNet collection points.
How the estimate is calculated
- Real Time Avg: 8.0 business days from order to dispatch. Updated Daily - Monday-to-Friday business hours only.
- Once dispatched, courier delivery adds another 1–3 working days.
Why your order may differ
- Multi-Supplier orders are held at different locations and will need to be consolidated first.
- Custom & Made-to-Order products may take longer.
Why Shop with Us?
- Trusted courier partners nationwide
- Free delivery on orders over R1,500
- Click & collect available in Cape Town
- Real-time parcel tracking
Important to know
- This is an accurate live indication, not a guarantee.
- Future Light shipping terms and delivery timelines still apply.
- Tracking details are sent once your order has been dispatched.
Monitor entrance hall door: Mount the sensor on your front door to receive instant phone alerts whenever it opens, so you can check activity while away or upstairs.
Secure apartment balcony slider: Attach to the indoor side of the sliding door frame to get notifications if the door is opened at night or while you’re at work.
Protect home office window: Fit the sensor to a study window and link it to your smart home app to alert you if someone opens it during work hours.
Monitor garage internal access door: Place it on the door between the garage and house to know when family arrive, and to receive alerts if it opens unexpectedly.
Track stockroom door activity: Install on a retail stockroom door to log opening events and notify the manager after hours, improving oversight without cameras in customer areas.
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