Bluetooth 4.0 Low Energy Connectivity. Compatible With Ios and Android Devices. 15 Groups of Fingerprints Can Be Enrolled. Ip65 Waterproof Grade Allows Outdoor Application. Uses High Sensitive Fingerprint Sensor to Make Unlock in a Second. Perfectly Used for Doors, Cabinets, Bikes, Backpacks, Storage Lockers Etc. One Lock Can Be Authorized to Multiple Users and a User Can Unlock Multiple Locks. No Worry of Lock Picking, Bumping or Unauthorized Key Duplication, Protect Your Property. It Is a Usb Rechargeable Design, 3,500 Unlocked With 3 Hours of Charge, Usual for Several Months. Easy to Use, Can Monitor the Unlocking Record and Sharing Record, Compatible With Ios and Android Devices. Made of High-duty Zinc Alloy With Electroplating Process, Anti-impact and Corrasion Resistant, Durable for Use. Brand: Nokelock Model: Fb50 Material: Zinc Alloy, 303 Stainless Steel Color: Titanium Grey Connection Type: Bluetooth 4.0 Battery Last: 6~8 Month Charging: 5v/0.5a(Micro Usb) Work Temperature: -20 ~ 70c Power by: 300mah Li-ion Size: 23 * 50 * 78mm Weight: 0.11kg Brand No Brand SKU 100113301_NP-1020373339