Wireless Receiver for Air-Conditioner Control, Alarms and General Lighting
The LD2125 wireless receiver is designed to switch off air-conditioning systems, trigger an alarm or control lighting when activated by our wireless, battery-free kinetic switches and buttons. Further control can be achieved via a phone app, Amazon Alexa and Google Home.
In the case of air-conditoning, the unit can be either switched off immediately or after a 60 second delay when an external door or window has been opened. External doors and windows are fitted with the LD2100 wireless kinetic switch.
The output is available with normally-open (N.O.) or normally-closed (N.C.) contacts, suitable for integration with a wide range of automation, HVAC, or alarm equipment.
Features
- Range: 25m indoor, 50m outdoor
- Contacts: change state state immediately, select LD2125.0 or after a 60 second delay, select LD2125.1
- Powered from 8 – 48V DC
- 8A contacts
- Over 1,000,000 unique codes
Includes
- 1 × Receiver (choose between LD2125.0 or LD2125.1)
Required
- For doors and windows – LD2100 Wireless Door Switch Transmitter
- Optional – phone app, Amazon Alexa and Google Home
Technical Details
- To pair with a wireless kinetic switch switch, press the “Pairing Button” for 3 seconds or until the indicator light starts flashing slowly. Then immediatley press the kinetic switch.
- To delete all paired devices. press the “Pairing Button” for about 10 seconds or until the indicator light turns off.
- An alternative method is to use the phone app named Kinetic Switch by yuanfang liu, Amazon Alexa or Google Home to control the device. A full instruction brochure is included with the device.

Specifications
Voltage: 8-48V DC
Contacts: N.O., N.C.
Contacts Rating: 8A
Capacity: Up to 10 switches can be paired
Range: 25m indoor, 50m outdoor
Dimensions: 44(W) x 44(L) x 22(H) mm
Frequency: 433 MHz
Working Enviroment Temperature: -20 to +55 deg C.
Warranty: 5 years








