TTLock Bluetooth Keypad
> Waterproof, conforms to IP66
> Metal housing, anti-vandal
> Card type:  13.56MHz Mifare Card
> iOS and Android available
> Add / Delete users by APP
> Support checking Opening Record 
> Support Gateway
> Support Time Attendance
> Multiple Access Modes: Smartphone, Card, PIN
> Multiple language

The H4-Ble is a Bluetooth-enabled waterproof touch keypad + RFID access
controller. It's integrated with 
TTLock APP which supports to Add / Delete PIN / Card
user and send eKeys. It's available for both iOS and Android, supporting multiple languages.