1、The switching power supply adopts professional switching power management chip imported from the United States, and the power supply voltage is very stable. 2、Solve the problem that the power supply voltage is unstable due to the resistance-capacitance step-down, which leads to the instability of the entire switch. 3、This remote control switch adopts a 10A relay, which can load high-power electrical appliances, learn-type single-chip decoding, and can learn multiple remote controls. 4、This wireless switch power supply has the advantages of convenient installation, simple use, safe and reliable, simple operation, flexible matching and so on. 5、Mainly used in garage door control, lighting control, electric doors, remote control curtains, lifting equipment, motor control, water pumps, projection screen lifter control and security industries, etc. Item Type: Wireless Switch Learning Code Material: ABS Working Voltage DC: DC12-48（V） Working Frequency: 315MHZ Working Mode: Jog M 4/Self-Locking T4/Interlocking L4 Code Matching Method: Intelligent Learning Type Working Environment: -40~+80 (℃) Receiving Sensitivity: ≥-105dBm Output Current: ≤10a Maximum Load: 190W-700W Remote Control Name: 4000 Meters 12-Key Remote Control Remote Control Working Voltage: DC9V (One 9v Battery) Remote Control Battery Model: AA5 Battery Remote Control Battery Type: 9V Lithium Battery (Delivered Without Battery) Nominal Capacity of Remote Control Battery: 2400mAh Chip Model: 1527 or 2264 (Different in Different Batches) Encoding Type: Millions of Codes or Pad Type into a Password Oscillation Resistance: 4.7 Ω Modulation Method: ASK (Stable and Less Interference) Remote Control Distance: 4000 Meters (Theoretical Value Without Interference in Open Space) 1 x Wireless Switch Learning Code 1 x Remote Control