A small button that you can hang under the table or on the headboard, hang on a key ring or put in a pocket. Both buttons must be pressed simultaneously for alarm. This is to prevent it being accidentally pressed in, for example, the pocket.
Black version
Communication range with a hub — up to 1300 m in an open space
Two-way communication
Self-driving RF output power — up to 20 mW
Temperature: From -10°C to +40°C
IP55
Works with all Ajax hubs and signal boosters (with OS Malevich 2.10)