Card Tag, 1.Power: CR2325 battery, DC3V

Card Tag,  1.Power: CR2325 battery, DC3V
Dimensions:85mm×53mm×5mm
Colour: white  Encapsulation: Ultrasonicns
2.appearance protection: dust-proof, waterproof (ultrasound lamination)
3.transmission distance: as far as 100 meters
4.Battery Life :1-3 years (depending on transmitting frequency)