1. Supply voltage: DC/AC 12V or 24V 2. Output channels: 1, 2, 3, or 4 channel receivers available 3. Capacity: Can pair with up to 500 transmitters 4. Relay work output impulse 5. Net weight: 80g 6. Application: Automatic doors, such as residential garage doors, roller shutters, swing gates, and sliding gates 7. Conditions: The control unit of the automatic device must have connectors for wall switches and a 12V/24V power supply. The receiver can be wired to most available garage door motors and driveway gate motors operating under 12V or 24V. It is simple to install and offers a wide receiving range of up to 50 meters from the remote control. This receiver can store up to 500 remote control transmitters using rolling code technology. The transmitting code changes each time it is used, providing up to 1.2 billion code combinations for enhanced security. The wireless wall-mounted transmitter (two-channel) and handheld remotes (four-channel) allow multiple units to be paired to a single control system. Features: - Tamper-proof housing: Durable cast housing protects against damage, including water exposure and physical impact - Weather resistant: Rated IP54 for protection against dust and water splashes - Single channel operation: Compatible with various garage door and gate openers; can be paired with compatible receivers - Voltage: 12V/24V (compatible with 24V operators) - Color: Black and Silver - Material: Metal and Plastic Package Contents: 1 x GE-RCV1 Receiver 2 x Garage door remote controls Note: Light reflection and different display settings may cause slight variations in the color shown in images compared to the actual product. Measurement may vary by +/- 1-3 cm.