SmartWise RF (radio frequency) button features a massive, water resistant case suitable for outdoor use. It can be paired with RF-compatible Sonoff devices, such as relay switches, wall light switches and also can be paired with RF gateways / bridges such as Sonoff RF Bridge.
It has a massive holder, which can be fixed by screw or a two-sided adhesive (in the product box).
Battery is included.
Note: dynamic and rolling code devices are NOT compatible with this remote controller.