R5 is a 6-key free-wiring scene remote controller that can be added to the eWeLink-Remote gateway to control all devices in eWeLink APP using three trigger ways in the scene The Conductor of Smart Life: Too many smart devices are distributed in different rooms, but don't want to control them using your phone? After setting the scene in the eWeLink APP, you can use R5 to control the smart devices in each room Double-clicked to Read, Long-pressed to Sleep: R5 supports clicked, double-clicked, and long-press actions to set various types of scenes as you wish. You can find the right trigger method, like one button for one device or even a room Local Control by eWeLink-Remote: R5 can learn and use with the smart devices featuring the "eWeLink-Remote gateway", in which you can control the home appliances connected with the smart devices using R5 within up to 90M. R5 learns once allows for all home appliances controlled Skip Tedious Wiring to Control the Same Light: With the use of the SONOFF M5 Switchman Smart Wall Switch, the same light can be controlled on both sides of the room even when M5 is offline. Never worry and spend time on two-way or multi-way control wiring Specifications: Battery model: CR2032 Capacity: 220mAh? Voltage: 3V