Battery: CR2477 Battery life: 24 months based broadcasting on rate 1s' Waterproof rate: IP67 Range: 100 m in open area Demension: 42.3mm x 42.3mm x 13.4mm Chipset: Nordic nrf51822 Features: Accelerometer/Vibrator/90dB Buzzer Application: iOS7.0 above with tool APP & Andriod BLE 4.0 above with SDK Color: Black & White Product Name: bluetooth waterproof ibeacon Show More