power relay hf152fd 12 1hfq 1hq 1hst 4 pin 17a one group normally open 12vdc
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HF115F-005/012/024-2HS4 6 Feet Two Sets of Normally Open Small High-power Original Relays
98 Руб.
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HF165FD-G-5/12/24-HY1STF 4 Feet A Group of Normally Open Small High-power Original Relays
74 Руб.
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HF46F-G-005/012/024-HS1T 4 Feet A Group of Normally Open Ultra-small Medium Power Original Relays
46 Руб.
![10PCS Songle Relay SRD-12VDC-SL-A 5VDC 6V 9V 24VDC 48VDC 10A 4 feet normally open in-line DIP4 new spot free shipping electronic power relay hf152fd 12 1hfq 1hq 1hst 4 pin 17a one group normally open 12vdc](https://ae01.alicdn.com/kf/S249433e22a2748a58b51dd0535d484c0e.png)
10PCS Songle Relay SRD-12VDC-SL-A 5VDC 6V 9V 24VDC 48VDC 10A 4 feet normally open in-line DIP4 new spot free shipping electronic
1071 Руб.
Описание:
1. This product is installed in an area with dogs, the detection range is more than 15 meters, and the hanging height is not more than 1.5 meters. It can be placed on trees, hung on poles and fence posts. In order to achieve good results, the area where this product is used should be an open area without large obstacles. This product uses ultrasound to prevent unnecessary barking of dogs. 2. The product has a total of 4 gear functions: OFF-used to save battery power and extend battery life. 3. Test-used to check whether the microphone and speaker are functioning normally. 4. Level 1: Detection range of 5 meters 5. Level 2: detection range of 10 meters 6. Level 3: 15m detection range. 7. The product built-in lithium battery, and the detection mode is the switch from OFF to the TEST position. 8. Blow or make a sound into the microphone at a close distance, the ultrasonic transmitter will beep 3 beeps, and the LED light will be on 3 times at the same time. It means that the product is functioning normally