Material: PC
Color: White/Blue/Pink
Rated voltage::3V
Rated current: 3.3mA
Rated power: 10uW
Volume: 80-100dB
Battery: CR2030 [email protected]
Battery life: more than 12 months (calculated by 15 times per day)
Working distance: Within 30m radius for open outdoor and indoor spaces, 10m radius for common indoor spaces
Accessories: Lanyard*1
Product size: 35*33.2*8.1mm