ITEM NAME:4 Button RF Remote Control 433 MHz Electric Gate Garage Door Key Fob Controller Product Description Description: 4 Button RF Wireless Remote Control Code Grabber 433 MHz Universal Key Fob Controller for Electric Gate Garage Door Specifications: Material: Plastic + Metal Color: Black Battery type: 12V 27A (NOT included) Working frequency: 433 MHz Remote control distance: 50-100m (open area) Working method: copy type Working environment: -15 ~ +75 Â °C Product size: 55 * 30 * 15mm/2.17*1.18*0.59" Application: for electric door, telescopic door, garage door, motor control, curtain control, automobile and motorcycle remote control, etc. Copyable remote control chip range: Fixed code: PT2260, PT2262, PT2264, PT1527, PT527, PT1587, PT1827, HS2260, HS2262, HS2264, HS2240, HS1527, HS527, HS1587, HS1827, RT2260, RT2262, RT2264, RT2240, RT1527, SC527, SC2587, SC1587, SC1587 , SC2262, SC2264, SC2240, SC1527, SC527, SC1587, SC1827, EV2262, EV2264, EV2240, EV1527. Operation method: 1. Clear code: Press and hold the two front (top) buttons at the same time, the LED indicator flashes three times, release any one of the buttons (the other is held down), press the released button three times, and the LED indicator enters fast flashing state, indicating that the code is cleared (for remote controls whose codes have been cleared, when you short press and the LED indicator does not light). Note: Press the two keys at the same time as possible, otherwise it will not enter the code clearing state. 2. Duplicate: One hand holds the original remote control, the other holds our remote. Keep the two remote controllers close to each other. Press the required buttons that need duplication. The LED indicator flashes quickly after three times, and the copying is successful. The other button operation methods are the same. Note: If the function is abnormal after copying, please copy it again after clearing the code. Before copying, you must replace the original remote control with a new ba.Working frequency: 433 MHz. Press the required buttons that need duplication. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.