This is a GEX timer thermostat. It was working until the day it was listed. I used it for about a month. There are some minor scratches. Please only purchase if you understand that this is a used item. Features: ● This is a thermostat for reptiles that can control heating and lighting equipment with a single unit. ● You can set the control temperature for when the lights are on/off. ● It uses an easy-to-set LCD panel. ● The control temperature can be set from 15 to 40°C. ● It has a warning lamp to alert you if an abnormality occurs. ● It has a backup function for peace of mind during power outages. ● It has excellent noise resistance to prevent malfunctions.