Specifications Hign-concerned Chemical:None Model Number:Marantec Digital D302 Wireless Communication:WIFI Use:SWITCH Origin:Mainland China Certification:CE Frequency:868 MHz Compatible Model 1:Marantec Digital D382 868 Compatible Model 2:Marantec Digital D384 868 Compatible Model 3:Marantec Digital D302 868 Compatible Model 4:Marantec Digital D304 868 Compatible Model 5:Marantec Digital D313 868 Compatible Model 6:Marantec Digital D321 868 Compatible Model 7:Marantec Digital D323 868 Compatible Model 8:Marantec Command 131 868 Marantec Garage remote control 868MHz Compatible Model: Marantec Digital D382 868 Marantec Digital D384 868 Marantec Digital D302 868 Marantec Digital D304 868 Marantec Digital D313 868 Marantec Digital D321 868 Marantec Digital D323 868 Marantec Command 131 868 Not compatible with remotes that operate on 433.92MHz Include: Remote Control Battery English Manual Features: 1.Privacy is strong 2.One to one key copy 3.Each key password alone save 4.Can continuous repetitive copy use one million times Specifications: Working voltage: 3V Operating Current: 8mA Working frequency: 868.3MHz Modulation Mode: ASK (AM) The transmission power: 100mW Emission Distance: 50 to 100 m (proof) The encoding type: self Copy The working temperature: -20 C to and50 C How to Program Face to face copy your original remote control Step:1:Clear the history code from duplicator 1:Press button A and B continuously until LED flash 3 times 2.Release button B (Keep pressing button A),and press button B Slowly for 3 times,LED flash 3.Release button A,finish code clearance. Step 2,Copy code from original transmitter 1. Put duplicator aside of original transmitter,as close as possible. 2. Press and hold button A of original transmitter,then press and hold button A of duplicator until you see the duplicators LED flash 3. Release both buttons,finish code copy,copy other button in same way. Button A= Lock button Button B=unlock button