• 【Safer to use】This light with a 20M remote control distance, 3 gear timing function and 15s delay timing, it will start working 15s later after operated.

Instructions 1. Click the black button on the bottom. Then yellow indicator light will light on. 2.Set the sanitizes time. Set it with four white base bottoms. Click the small white button with a switch mark. Then click the bigger one to set the sanitizes time. The first time you clicked is 15 minutes, the second time is 30 minutes, the fourth time is 60 minutes.The yellow light will be on. Set it with a controller. Firstly: Install a battery inside the controller.(Battery is not included). After that click “ON”. Then set the time with four button. 3.you will hear “tick tick” voice. That means the UV lamp is already set up. Please wait 15 seconds, UV lamp will turn on , the light is purple. If you don’t hear “tick tick”voice ,that means you didn’t set it in a right way.