Smart Lock U100 Overview Specs FAQ User Manual Installation Video Buy Now Specifications Product Smart Lock U100 / Smart Lock U100 Kit Model SDL-D01 / DL-D01D (Kit) Color Shadow Gray / Silver (Kit) Inner Panel 5.51 × 3 × 1.14 in. (140.2 × 76.2 × 29 mm) Outer Panel 5.28 × 2.88 × 3.2 in. (134.2 × 73.2 × 81.4 mm) Voice Language Chinese, English, French, Spanish (Default: English) Battery 4 AA batteries (8 daily unlocks and auto-locks, > 8 months) Emergency Power Supply Type C external power supply, 5V DC Electrostatic Protection Contact: 8KV, Non-contact: 15KV Operating Temperature -35°C ~ 66°C Operating Humidity 0 ~ 93% RH, no condensation IP Rating IP65 (keypad) Lock Type American standard deadbolt, supports 60 / 70mm backset Door Thickness Compatibility 35 - 55mm Door Gap Compatibility 2 - 10mm What is in the Box What is in the Box: Smart Lock U100 × 1, User Manual × 1, Installation Diagram × 1, Key × 2, AA Battery × 4, Knob Removal Tool × 1, Opposite-Pull Screw Kit × 1, Bolt & Strike Plate Screw Kit × 1, Mounting Plate Screw Kit × 1 What is in the Box (Kit) Smart Lock U100 × 1, User Manual × 1, Installation Diagram × 1, Key × 2, AA Battery × 4, Knob Removal Tool × 1, Opposite-Pull Screw Kit × 1, Bolt & Strike Plate Screw Kit × 1, Mounting Plate Screw Kit × 1, Aqara E1 Hub× 1, NFC Card × 2 BLE Standard Bluetooth 5.0 BLE Communication distance Over 20 meters in open areas Zigbee Standard Zigbee 3.0 Zigbee Communication distance Over 20 meters indoors