Effective alerting of inhabitants in the event of an alarm (e.g. fire)Loud piezo sounder with a sound pressure level of 105 decibelsBi-directional wireless operationSturdy constructionCover and seal contacts protect against tamperingIndependent installation due to battery operationUp to 3 sounders (indoor + outdoor) can be integrated120 x 146 x 50mm (W x H x D)5 x CR123 3V lithium batteries868.65MHz10 transmission powerABS housing material2-year max. battery life60°C max. operating temperature150m max. sending range (outdoors)-25°C min. operating temperatureIndoor installation
0.44kg net weightTamper monitoring105dB sound pressureIP44 protection classVoltage monitoring3V DC voltage supplyClass IV environmental