IP54, IP65(optional)

One key works for all locks in on-line and off-line modes

No need for additional key control

Rechargeable battery, can support up to 500 times open on a full charge

Equipped with night light to support easy unlock in the dark

Identical front and back design to align with the unlocking process of mechanical locks

High-quality Bluetooth chip supports fast and stable connection between key and mobile APP

Operating temperature -35 ~ 70°C