Sell ☺bestopt Smoke Detector Wireless Interconnected Photoelectric Smoke and Temperature Combo Alarm 9V Battery Operated best price

Features: Battery operated smoke and temperature alarm can be installed easily. This product is a photoelectric smoke detector, The photoelectric smoke sensor and temperature sensor are used on the circuit to monitor the fire condition. The main control chip uses the professional analog-to-digital conversion input port to intelligently judge the sensor signal. The structure adopts unique photoelectric signal feature processing and professional design, so the product has stable, It is dust-proof, insect-proof and resistant to external light interference. The product is suitable for smoke monitoring in indoor environments such as houses, shopping malls, hotels, shops,office buildings, teaching buildings, and warehouses. Specifications: Colors: White Material: ABS Battery: 9V(not include) Item Size: 10.7*3.5cm Package Size: 11.3*11.1*6.3cm Package Weight: 200g Packing List: 1xSmoke Detector 1xUser Manual