Key Specifications/Special Features:
Wireless door chimes with 100m range, transmitters (remote control) and 2 receivers
Digital code system to avoid interference
100m distance in open air
CE-/RoHS-approved
Receivers:
Includes 2 receivers
LED indicator
32 chime sounds selectable
Adjustable volume
2x 1.5V LR6 AA batteries (not included)
Remote control (transmitters):
LED indicator
IP44
Transmission frequency: 433 to 434MHz
2x 1.5V LR03 AAA batteries (not included)