TTLock APP Unlock(BLE)TTLock APP Remote Control (with Gateway)Fingerprint UnlockPassword UnlockRFID Card UnlockEmergency Key OverrideLift Handle to Deadbolt4 x AA Alkaline batteries PoweredEmergency Power via MicroUSB Available ColoursBlack Silver Red Bronze Suitable for narrow aluminium frame glass doorSuitable for sliding doorhexagon knob handle also available TTLock APP Unlock(BLE)TTLock APP Remote Control (with Gateway)Fingerprint UnlockPassword UnlockRFID Card UnlockEmergency Key OverrideLift Handle to Deadbolt4 x AAA Alkaline batteries PoweredEmergency Power via MicroUSB Available ColoursBlack Silver Suitable for internal door Garage to house door , Internal office door, etc TTLock APP Unlock(BLE)TTLock APP Remote Control (with Gateway)Fingerprint UnlockPassword UnlockEmergency Key Override4 x AAA Alkaline batteries PoweredEmergency Power via MicroUSB Available ColoursBlack Silver