Ⅰ. Replacement for HORMANN 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 Hormann BiSecur series handheld transmitters. Ⅱ. This remote control is a cloned remote control that requires the remote control to be cloned. Please make sure that your remote control is fully functional, otherwise this remote control will not work. Ⅲ. Garage door handheld transmitter comes with 4 buttons with programmable command 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 remote control. Ⅳ. Garage door opener is compact and lightweight, making it easy to carry and store. Ⅴ. Garage door opener specification: Replacement hand transmitter for Hörmann to 868.3 MHz, not original. 4 channels, 4 buttons correspond to 4 independent channels, and each button can control a door opener individually. Coding self-learning Ⅵ. (There is color difference in the actual product, which does not affect the use) Ⅶ. Color: As shown Ⅷ. Material: ABS Ⅸ. Package Contents: 4 * Garage Door Opener Ⅹ. Only the above package content, other products are not included. Ⅺ. 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.