The Aqara Wireless Mini Switch T1 (WB-R02D) is a compact remote switch designed to add a wireless and effortless control point to your smart home system. Requiring no wiring, this sleek device can be placed anywhere or mounted on a surface using the included double-sided tape. Operating on the Zigbee 3.0 protocol, the mini switch integrates into your smart home ecosystem via an Aqara Hub and can detect three different commands: single press, double press, and long press. One of its key technical highlights is an impressive battery life of up to 2 years from a single CR2032 battery, with durability of up to 50,000 presses. Its body is made of V-0 flame-retardant PC material, resistant to high temperatures and meeting safety standards. With compact dimensions of 45×45×12 mm, it fits into any environment and operates reliably in temperatures from 0°C to 50°C and humidity up to 95%. You can use this wireless mini switch in many practical daily scenarios. For example, pair it with an Aqara Hub to use as a doorbell or set it as an emergency button that triggers alarms and notifications via the hub. Additionally, compatible with Apple HomeKit and the Aqara Home app, it allows you to create personalized automations such as activating the alarm system with a single press or closing curtains and turning off lights with a double press. Technical Specifications: - Model: WB-R02D - Battery: CR2032 - Wireless Connection: Zigbee 3.0 - Dimensions: 45 × 45 × 12 mm - Operating Temperature: 0°C ~ 50°C - Humidity: 0% – 95% RH (non-condensing) - Battery Life: Up to 2 years - Button Life: Up to 50,000 presses - Housing Material: V-0 flame-retardant PC - Hub Requirement: Yes (Aqara Hub)