To start heating you neeed to PRESS and HOLD the 'START' button for 3 SECONDS. To turn off the device, press and hold the 'Power' button for 3 seconds. 4-Inch Screen Design: Say goodbye to fiddly buttons; the responsive touch panel, combined with clear and intuitive menus, makes operation more convenient. Featuring a soft night light, there's no need to fumble in the dark to switch on the main light, allowing you to care for your baby more easily at night and making night-time care a breeze, whilst providing gentle, soft lighting for a restful sleep around the clock. 6-Level Precision Temperature Control: 77℉-113℉-122℉-131℉-140℉-150℉. Equipped with instant-heat technology, it heats up in seconds, eliminating the need for lengthy preheating. This innovative transparent drawer design allows you to see the towel heating progress at a glance. The built-in soft warm light ensures you can clearly see inside, even if you get up in the middle of the night, so there's no need to fumble around in the dark or wait. Combined with the fully enclosed drawer to keep every towel clean and fresh. Simply pick it up and go – free yourself from spatial constraints and enjoy warm care wherever you are; its modern, minimalist design adds a touch of luxury to everyday life, whilst its ultra-compact dimensions make it suited to all your tight spaces, whether it's a cramped bathroom countertop, dressing table, desk, motorhome, or a professional salon or beauty parlour workspace – it takes up minimal counter space.