·Specification:

.Range: <20m (Range can be reduced to 30% in bad weather conditions: fog, rain, dust etc)
.Infrared Frequency: 1.92 KHz
.Power Supply: 12-24V DC/AC
.Wave Length: 940nm
.Input: RX 15mA-TX 30mA
.Operating Temperature: -20~70 degree
.Relay Output: 1A max 30V
.Size: 49.2*76*21.6mm

Installation Instruction:
Optimum mounting height should be greater than 20m, Installation, infrared protection devices should be made vertically, and at the same level. LED1, LED4 are power indicator LED2 is alarm indicator, LED3 is signal strength or weak indicator (LED3 normal bright on highly finished)

Note:
Due to the transmit power of this product is very large, when a short distance of the transmitter and receiver, there will be no back on the phenomenon, some time, put them pull at least one meter and try again. Installation in close proximity, the insensitivity phenomenon, the condenser lens in the transmitter and the receiver can get rid of, you can improve the sensitivity.