General Description: The Ahlsen wireless remote control switch is a convenient device designed to control various electrical appliances such as water pumps, motors, and lights. This GLK-DC-X1 model operates with a voltage of 12V to 72V and uses a frequency of 433MHz for reliable communication. It is ideal for use in a variety of environments thanks to its wide operating temperature range of -20℃ to 50℃. Technical Specifications Operating Voltage: 12V, 24V, 36V, 48V, 60V, 72V Operating Frequency: 433MHz Total Load Power: 12V ≤ 350W, 24V ≤ 700W, 36V ≤ 1050W, 48V ≤ 1400W, 60V ≤ 1800W Relay: 40A Product Size: 54 x 84 x 28 mm Installation To install the switch, connect it to the power supply and follow the programming instructions to pair the remote control. The learning process requires pressing and holding the learning button for a few seconds, depending on the selected mode. The switch can be used in several ways: Self-locking mode: allows remote control of the device by pressing the button on the remote control. Locking mode: requires a specific procedure to pair the remote control with the controller. Manual switch: the learning button on the controller allows you to manually turn the device on or off. Other information: Operating temperature: -20℃ to 50℃. Remote control distance: adjustable as needed.