Emos P5723 Wireless Doorbell (P5723)

Power Supply of the Main Unit: 3× 1.5 V AA (not included)
Reach of the Button in Open Space: Up to 100 m
Transmission Method: Wireless
Transmission Frequency: 433 MHz
Number of Melodies: 36
Volume Control: No
Maximum Ringing Volume: 75 dB
Special Functions: No
Optical Signaling on the Doorbell: No
Optical Signaling on the Button: Yes
Option to Add Another Button: Yes, max. 8
Extra (Spare) Button: P5723T
Waterproof Button: Yes, IP44
Pairing Method: Self-learning (automatic pairing)
Power Button: 1× 3 V CR2032 (included)
Colour: White