Ⅰ. APP/Timer: You can control this push button device wirelessly. You can also configure this device to turn on and off all functions according to your schedule. For example, use it to turn on the coffee maker before you get up. Ⅱ. Easy to operate: With the wireless gateway (only 2.4GHz WiFi is supported), you can remotely control this push button device anytime, anywhere and enable voice control. Compatible with Alexa, Assistant and Siri devices. (Gateway needs to be purchased separately) Ⅲ. Easy to install: This push button device can be used with almost any rocker switch and any device button. Place it right next to the rocker switch or sticker button. No tools required, easy to operate. Ⅳ. Built-in replaceable battery: Built-in 3V CR123A battery, battery life is half a year, long battery life, when the battery is low, the back cover can be opened and easy to replace. Ⅴ. Tool set: The tools consist of mechanical handles of various lengths and shapes. This device can change the finger type to suit many scenarios. Ⅵ. Specifications: Name: push button switch; Material: ABS; Communication protocol: BLE 4.2; System support: iOS 11 and above, 9.0 and above; Torque: 2.0 kaqf cm; Temperature range: -10 - +45 ℃; Maximum arm movement: about 12 mm / 0.47 inch; Wireless protocol: Bluetooth low energy 4.2; Battery type: 3V CR123 A; Use control app for Adaprox: yes; Life App: yes; Product size: about 34.5 * 34.5 * 34.5 mm / 1.36 * 1.36 * 1.36 inch. Ⅶ. Use of other accessories: use it to control various types of buttons. It has handles of different lengths and shapes. Do not install it on underwater devices. This product contains batteries, so it cannot be used in humid and high temperatures. Do not interfere with the movement of the device lever, otherwise the lever may fall or damage the device motor. Due to manual measurement, there may be tolerances on the size of the product.