Feature: 1. Small and Light: Easy to carry. With this easy to program 4 button remote, you can control up to 4 brands of garage door remotes at the same time. 2. Long Transmission Distance: Strong sensitivity and anti interference ability, wireless transmission distance of up to 100m, convenient for you to open the garage door in the car. 3. Very Secure: No need to worry, the 4 button garage door remote is hacker proof and offers the high level of encryption security +2.0. 4. Easy to Use: Easy to install and program in minutes, easy to follow wireless programming, allows for configuration in seconds, and eliminates the need for electrical connections next to garage openings 5. Application Scenario: It can be used in the fields of anti theft alarm, anti theft system, rolling shutter door, door barrier, household appliances, water pump, ceiling light and electrical equipment, water pump, lamps, garage door, industrial control and industrial security. Specification: Item Type: Garage Door Remote Duplicator Weight: 31g/1.1oz Material: Plastic Wireless Transmission Distance: 100m/328.1ft Rated Current: 10mA Battery Model: 1 x CR2032 button battery Battery Voltage: 3V Battery Capacity: 210mAh(shipped with built in battery) Scope of Application: remote control switch, burglar alarm, remote control lock, remote control electric shutter doors and windows, wireless remote control garage door, wireless remote control rolling gate, wireless remote control road gate, water pump remote control, industrial control products, etc. Learning Frequency Range: 280MHz-868MHz (287MHz, 315MHz, 390MHz, 433MHz, 868MHz) Application Scope: garage door, automatic door, rolling shutter door, alarm, etc. Compatibility: Applicable to 99% of the remote control on the market.. Package List: 1 x Remote Control1 x Lanyard1 x Manual