Keyless Electronic Digital Door Lock RDJ Left Hand

Keyless Electronic Digital Door Lock RD-J Left Hand $79.99 RD-J electronic code locks for a stand alone use for all kinds of doors in residential apartments and office buildings. The RD-J is programmable for 10 independent users and changing the access codes takes less than 30 seconds! Never fumble for keys again! Give temporary code to friends, visitors, house keepers, employees, or anyone in any case! Main features: 1) Novel and noble appearance 2) Simple DIY installation or replacing exit lock 3) Opened by code. Uses Emergency Override Keys (3 key included) to open lock for emergency occasions 4) When in low power supply, supply (6V DC) to the power jack to activate the lock 5) 10 groups of code from 1 up to 13 digits available 6) Single or double code functions for anti-theft protection 7) Alert for wrong code entry 8) Up-to-date material for stable and durable performance 9) Weather proof Technical parameters: 1) Suitable for door thickness: 35~50mm?, and standard 2 3/8" backset. 2) Requires 4 AA 1.5V alkaline batteries (included) 3) Service life of battery: approx. 20,000 times 4) It will alarm for low power supply, and still can open for approx. 50 times Product Dimensions: 1) Outside: Length is 7 7/8" Width is 2 1/2" Depth is 1" Latch/Center/>/to Top is 4 1/2" Latch/Center/>/to Bottom is 3 3/8" 2) Inside: Length is 4" Width is 2 1/4" Depth is 3/8" Latch/Center/>/to Top is 2 1/4" Latch/Center/>/to Bottom is 1 3/4" Left-hand or right-hand : when looking at door from the OUTSIDE, hinges on left is a left door, hinges on right is a right door Patent no.: ZL 003 09335.2 Package Content One RD-J Left hand lock retail box