Wireless door sensor

Best Selling ⭐️ "Warranty (Two years) Available installment plan in 4 payments without interest. 📌 For more, watch the video, product description, and reviews below: Overview Have you ever imagined that your home lights up when you open the door? Or do you want the bedroom light to turn off automatically when you enter the living room? Or do you want the storage room to light up when opened and turn off when the door is closed? Or do you want the lighting to turn on for a certain period when the door is opened? Any of your ideas will become reality with the SONOFF DW2-Wi-Fi wireless door/window sensor. The sensor comes in two pieces, the transmitter is installed on the door or window, and the magnetic switch is attached to the door frame. Know the door status in real time! No matter if your door or window is open or closed, you can check the open/close status in real time on the eWeLink app. The app also displays the battery level in real time and reminds you when the battery is low, letting you know how long the sensor can operate and when to replace the batteries. Battery life lasts up to 3 months if the door/window is opened or closed three times a day. Notification feature on your phone! It can help secure your door or window by alerting you whether your home is safe wherever you are. The sensor will send an alarm to your smartphone to remind you of an intruder when the door or window is opened. Easy to install and set up! With double-sided adhesive, it can be placed on door frames and window sills. Notes * The piece pairs directly with Wi-Fi and does not require a hub. * It pairs with the sensor through the eWeLink app. * To control lighting or create scenarios from the app based on the sensor status, you need to have (one of Sonoff's other smart products). Specifications: Battery type: AAA 1.5V Voltage: DC3V / 2 x 1.5V batteries Current: ≤ 40 μA Network frequency: IEEE 802.11 b / Wi-Fi 2.4GHz Materials: PC V0 Package contents: Two sensor pieces Double-sided 3M adhesive Instruction manual Overview of product images and specifications: Specification of SONOFF DW2