Features: - Momentary: Press the remote button, the relay connects, release the remote button, the relay disconnects. - Toggle: Press the remote button once, the relay connects, press the remote button twice, the relay disconnects. - Latching: Press the remote button A, the relay connects, press the remote button B, the relay disconnects. - Delay Mode: Press the remote button, the relay connects. As soon as you release the remote button, after 5 or 10 or 15 seconds, the relay will disconnect automatically. Specifications: Model: KR2201-4 Material: Plastic + Metal Color: Black PCB Dimension: (L W H) 35 30 18 mm / 1.38 1.18 0.71 inch (Approx.) Input Power: DC10V-14V Standby Current: <5MA RF Frequency: 315M or 433M RF Working Mode: Superheterodyne Receive Sensitivity: > 97dbm Transmission Distance: > 100m (open space) Decoding mode: MCU software decoding Remote storage: 25pcs Remote support type: learning code, fixed code (rolling code can be pattern) Working mode: Momentary, Toggle, Latching delay (5s, 10s, 15s) Wiring type: fixed terminal Output terminal: NO, NC, COM Package list: 1 * Receiver board 1 * Fuse box 1 * Remote control "becomeveryrich"