Features an audible alarm, ideal as a receiver and transmitter for a doorbell or pager. It is battery operated and includes a waterproof call button. The number of buttons cooperating with each other can be increased as needed. It has a learning system for automatic connection, one ringtone, and does not require installation of a bell. This product is useful at home, at work, in public buildings, or for people in need of care.

Technical parameters:

• Range: max. 70 m (in open area)
• Power supply: Receiver: 3 x 1.5 V AA (not included), Transmitter: 12 VDC (A23) (included)
• Sound level: 60-80 dB (adjustable)
• Protection class: Receiver IP20, Transmitter IP44
• Frequency: 433.92 MHz.