Product Name: Digital Door Lock Open with Smart Phone Model NO.: V-BT0818-SS Usage: Household Door Locks, Bedroom, Channel Lock Lock Cylinder Length: 90mm Door Thickness Fits: 35-50mm Backset: 60mm Part: Lock Anti-theft Standard: B Shape: Ball Style: Modern Type: Combination Lock Material: Zinc Alloy Trademark: IWINTEC Transport Package: Carton Specification: 168*68mm Origin: Guangdong, China HS Code: 83014000 Product Description Features:- Single latch, can repace traditional knob lock, the first choice for interior door.- Unlocking methods: Bluetooth, password and override key- Passage function: According to the requirement, can set passage (passage lock) function.- Low voltage alarm function, when battery at low voltage, it emit a cousticoptic alarm- Automatical lock after closing door, convenient to use.- Panic exit function, can be unlocked from inside without key.- Suitable for indoor, wooden door, etc.- Door thickness requires: 35~50mm, beyond this range, can customized.Technical Parameter:Communication modeBluetooth 4.0bleUnlocking wayBluetooth, Code, Mechanical keySupport SystemAndroid 4.3 / IOS 7.0 aboveUnlock time ≈1.5 secPower supply4pcs AA batteriesStatic current≤30uAWorking current≤200mA