Heiman HS1SA-E Optical ZigBee Smoke Detector Tuya Heiman HS1SA-E is a photoelectric smoke detector equipped with Zigbee technology and an 85 dB audible alarm at a distance of 3 meters. The device provides a network range of up to 70 meters in open space and is immune to RF interference. Designed to monitor an area of up to 80 sqm, it offers remote control and real-time monitoring via the Tuya (Smart Life) mobile app. Efficient operation The Heiman HS1SA-E detects the presence of smoke in real time. When danger is detected, the red LED starts flashing and the device emits a loud alarm. As a result, residents are immediately alerted to the danger, allowing them to take quick action. Wide compatibility and easy installation The sensor operates on the Zigbee standard, which ensures wide compatibility with other smart home devices. The network's range is up to 70 meters in open space, allowing for a reliable connection even in large homes and buildings. The device can monitor an area of up to 80 square meters with an installation height of 6-12 meters, and 60 square meters with an installation height of less than 6 meters. Durability and reliability The Heiman HS1SA-E is immune to RF interference in the 80 MHz - 1 GHz range at 10 V/m, ensuring reliable operation even in harsh environments. The sensor operates over a wide temperature range of -10°C to +50°C and humidity up to 95% RH without condensation, making it suitable for various environments such as homes, cafes and hotels, etc. Advanced features and remote control The Heiman HS1SA-E smoke detector is equipped with low-battery and device failure alarms for constant control of its operation. The built-in smoke concentration indicator triggers an audible and light alarm when the smoke concentration reaches an alarm level. Remote control from the Tuya app allows users to monitor the device's status and receive notifications regardless of where they are. Manufacturer HeimanModel HS1SA-EOperating voltage DC 3V (x1 CR123A)Lifespan of the sensor 10 yearsNoise level 85 dB / 3 m; 120 dB / 1 mNetwork ZigbeeNetwork range approx. 70 m (open space)Coverage area 80 m2 with installation height of 6-12 m, 60 m2 with installation height

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