version, the other is the version without the switch, please select the one you need before placing an order. In addition, if you buy the version without a switch, please put it in a dark place for testing, because the version without a switch only has an induction mode, which can only be turned on when the creature is sensed at night. The product may have unclear expressions due to translation issues. Here is an explanation. The English version has two types of lights: one is "light" and the other is "Lamp". Due to the limited space, we cannot provide more details and can only explain it here. If you need the switch-on/off sensing mode, please refer to the English version with the Lamp for the lighting. If you only need the sensing mode, purchase the Light. illustrate: 1. Infrared sensor + Fresnel lens, no induction during the day 2. Wide sensing range, 0-3 meters sensing distance, 120°...