Photosensitive Relay Module, Sensor Switch (12V)

[ADJUSTABLE LIGHT SENSITIVITY AND DELAY] This module features a multi-turn precision potentiometer for fine-tuning light sensitivity and delay time. When ambient light drops below the set threshold, the relay activates automatically. The delay function prevents relay flicker at the light switching point. Choose between a delay range of 1 to 20 seconds or 1 to 200 seconds simply by plugging it in. [HIGH-POWER RELAY WITH SECURE CIRCUITS] Equipped with a robust 10A relay capable of controlling high-load devices up to 250V AC or 30V DC. The power section includes diode protection filter capacitors and a 7805 voltage regulator chip to provide stable voltage and protect the module against reverse polarity connection or failure. [IMPORTED CHIP FOR [STABLE PERFORMANCE] Reliable automatic light detection and brightness measurement are achieved with an imported control chip. The detection threshold is easily adjusted via the potentiometer, ensuring consistent, flicker-free switching for precise light control applications. [COMPLETE WITH LONG PHOTORESISTANCE SENSOR] The module comes with an external 50 cm (19.7 in) photoresistor for flexible placement. Clear power and relay status indicators provide instant visual feedback on operation, simplifying setup and troubleshooting. [VERSATILE LIGHT CONTROL APPLICATIONS] Ideal for streetlights, automatic headlights, stage lights, LED traffic lights, and various brightness detection alarms. This photosensitive relay module automatically turns lights on at night and off during the day, serving as a perfect light control delay switch for automation projects.