HORMANN HS4 HSM4 40.685MHz Remote Control Specifications: Number of channels: 4 Product material: ABS Product weight: 40 g Battery: 12V 23A Installation: wireless Wireless transmission distance: 50-150 (m). (open space) Frequency:HORMANN 40.685MHz grey buttons. Compatible Models HORMANN 40.685MHz Grey buttons HORMANN HSE 2/4 HORMANN HS 2/4 HORMANN HSM 2/4 Special note: If your original remote control is not listed please do not buy it. Even if your remote control is on 40.685 MHz, do not buy it. Features. 1. Perfect replacement for your HORMANN 40.685MHz grey button remote control. 2. Very easy to program, programmed on the receiver, if you have lost your original remote control, buying my remote is the best option. 3. It is not compatible with other brands or models of remote controls. 4. Support bulk purchase, welcome to enquire. Include * Remote Control * Battery * English Manual