433 MHz Portable Alarm Sensors Wireless Fire Smoke Detector Womens gold wedding band Type 10: Handsfree in ear

Type 10: Handsfree in ear headphones

Stand Dirt-resistant

The wheel diameter is 22

watch:men watch

433 MHz Portable Alarm Sensors Wireless Fire Smoke Detector Womens gold wedding band Type 10: Handsfree in earType: Smoke Detector Color: white frequency: 433MHZ Usage: Fire smoke alram Alarm Sound: 75dB material: ABS Feature1: can work with our alarm system Working Voltage: 9V Feature2: Easy to Use and install Working Voltage: 9V battery(Not Include) Transmission frequency: 433MHZ Working Current: lower 40mA Standby Current: lower 10uA Superior ABS material Working frequency: 433MHz Alarming Sound: more than 75dB Transmission distance: 100 150m in open area.