The Honeywell T4 programmable thermostat is a standard wired thermostat with a 24-230V on/off function and weekly programming capability. This user-friendly device simplifies the setting, operation, and adjustment of your home comfort while promoting more efficient energy use. The intuitive control panel ensures straightforward configuration and adjustments, while automatic optimization features learn the heating characteristics of your home. Universally applicable and quick to install, this thermostat is compatible with all central heating boilers that have 24-volt thermostat connections. The temperature settings range from 5 to 35 degrees Celsius, with preset programming options that can be customized for up to 6 periods per day. The thermostat operates on 2 AA batteries and has a cream-white finish that complements various interior designs. The package includes the T4 thermostat unit, 2 AA batteries, and a comprehensive installation and operating manual. This thermostat offers the essential functionality expected from modern heating control systems, focusing on reliable performance and ease of use for consistent home temperature regulation.