Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Universal Compatibility: Designed to replace for BiSecur series transmitters such as HSE1-868-BS, HSE2-868-BS, HSE4-868-BS, HS1-868-BS, HS4-868-BS, HS5-868-BS, HSS4-868-BS, HSP4-868-BS, HSD2-868-BS. This remote operates at 868.3MHz with a rolling code for enhanced security. Dual Programming Options: Easily program your remote either by copying the code directly from your existing remote or through programming it via the receiver. Note: This model features a rolling code (blue LEDs) and is not compatible with fixed code systems (red LEDs). Multi-Channel Functionality: Equipped with 4 buttons, this remote allows you to control up to 3 different garage doors independently. Each button is linked to a separate channel, providing flexibility and convenience for managing multiple garage access points. Colour:As Shown Material:plastic Package Contents: 10 * 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.