Wireless fire sensor 433MHz for GSM security alarm

A wireless smoke sensor is used in conjunction with a GSM security alarm system. Easy installation of a wireless sensor will allow you to install fire protection in the shortest possible time. Characteristics: - Wireless smoke detector is designed to work in conjunction with GSM alarm system; - Wireless sensor operating frequency: 433 Mhz; - Operating range of the wireless sensor: 100 meters (in open areas); - The smoke sensor is installed on the ceiling or wall; - Power supply from the crown 9 volts (9V DC). Approximate operating time from one crown: about 4-6 months (crown not included); - The sensor has a photoelectric camera, which makes it possible to early determine the presence of smoke in the air; - The special housing design protects the sensor from dust, moths and insects and prevents direct light from entering the sensor; - The fire sensor has a loud 85dB siren, which will locally inform about the occurrence of a fire, as well as a wireless module that will transmit a signal to the main GSM alarm unit.   Equipment: - Wireless fire detector.