Feature: 1. The induction method uses microwave radar human body induction, sensitive and to use 2. With switch, flexible to operate 3. 15 seconds in the case of highlight induction, and always on in the case of slight induction 4. The lighting mode is automatically turned off during the day, automatic radar sensor at night 5. The battery input is 3.2V / 3.7V Spec: Item Type: Solar Lamp Controller Module Model: YX-408 Induction Method: Microwave radar induction Induction Distance: 6-10 meters Induction Time: Highlight for 15 seconds, slightly bright Lighting Mode: Automatic light off during the day, automatic radar sensor at night Battery Input: 3.2V / 3.7V Applicable Solar Panel Voltage: 5-6V (Batteries need separate protective plates to prevent overcharging and overdischarging) Applicable Lamp Board Voltage: 2.8V-3.2V Output Power: <10W Size: Approx. 26 x 84mm / 1 x 3.3in This circuit board does not have over- and over-discharge . To connect the battery, the battery must have its own board Package List: 1 x Module 1 x User Manual Notice: New‑ and old‑ are shipped randomly