High Sensitivity Voice Prompts Smoke Fire Detector/Sensor polarized sunglasses Pendant Size:as picture

Pendant Size:as picture

Pendant Size:31x18 mm

Weight:42 g

Screen Type:LED

Length:about 22cm

High Sensitivity Voice Prompts Smoke Fire Detector/Sensor polarized sunglasses Pendant Size:as pictureHigh sensitivity, low rate of false alarm Alarm test button for easy testing Loud 85dB audio alarm Low battery consumptiom Alarm Indication: Red LED flash Easy to install with mounting hardware included Self test function and can simulate alarm test. Fashion design, durability, Voice prompts Linkage with kerui alarm system 3V 2*AAA battery (Not included) Alarm Current: 10 30mA Standby Current: 15A Operating Temperature: 0C ~ +50C Relative humidity