Replacement Button for Wireless Doorbell P5750

button dimensions: 24 × 90 × 40 mm
>designed for the type of bell: P5750, P5750.2T, P5750.2R
>IP rating: IP55
>packaging: 1 pc, blister
>pairing method: self-learning (automatic pairing)
>power source: unpowered
>range in open space: up to 150 m
>transmission frequency: 433 MHz
>transmission method: wireless