Replacement for Blue Button 868.3MHz Garage Door Remote HS4, HSE2, HSM2, HSM4, HS1, HS2, HSZ1, HSZ2, HSP4, HSP4-C, HSD2-A, HSD2-C. Not compatible with for BiSecur series handheld transmitters. This remote control is a cloned remote control that requires the-original remote control to be cloned. Please make sure that your for-original remote control is fully functional, otherwise this remote control not work. Garage door handheld transmitter comes with 4 buttons with programmable switches to control up to four different garage doors, the latest high-frequency technology ensures better range, and the same security code encryption as the for-original remote control. Garage door opener is compact and , making it easy to carry and store. Garage door opener specification: Replacement hand transmitter for to 868.3 MHz, not-original. 4 channels, 4 buttons correspond to 4 channels, and each button can control a door opener individually. Coding self-learning. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color:As Shown Material:ABS Package Contents: 5 * Garage Door Opener Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.