Universal Compatibility: Designed to replace 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 new remote by copying the code from your existing remote or through the receiver. Note: This model features a rolling code (blue LEDs) and is not compatible with fixed code systems (red LEDs). Slight color variations due to lighting or display differences do not affect functionality. Multi-Channel Functionality: Equipped with 2 buttons. Color: As shown. Material: Plastic. Package Contents: 1 x Garage Door Opener Remote. Only the items listed are included. Note: Lighting and display differences may cause slight variations in color. Measurement error allowance is +/- 1-3cm.