Two receiver channels allow control of two automatic door or alarm systems at the same time. Simple connection to the control panel with only four wires required between the receiver and the control panel. Capable of storing up to 400 remote controls, suitable for large communities using custom remote controls. Can simultaneously learn fixed and rolling codes for 433.92MHz remote controls, compatible with various wireless receivers on the market. Three operating modes available: Instant, Toggle, and Lock, with two voltage options of AC 85-250V., Weight: 0.16755131912 pounds, Manufacturer: Aboiled