BUDGET-FRIENDLY COMFORT delivers 1000W of steady warmth for spaces up to 100 sq ft; bottom intake and front discharge provide uniform airflow while the slim 17 9/16″ H × 22 7/8″ W × 4″ D format frees wall space. Alternate rating 750W at 208V. Hardwired only — NOT plug-in NO BUILT-IN THERMOSTAT this heater requires an electronic wall thermostat (sold separately). Mechanical thermostats not compatible CONTEMPORARY & RELIABLE DESIGN rounded steel cabinet with durable epoxy-polyester finish provides lasting quality at an economical price. Slim, quiet natural convection blends easily into bedrooms, offices, or apartments without taking up extra wall space. EASY INSTALLATION surface-mount with concealed bracket and back entry plate with cable clamps for quick wiring and a clean finish WARRANTY backed by 5-year limited warranty, lifetime warranty on heating element, and 3 years on electronic components 1000W standard convector without thermostat. Requires electronic wall thermostat. Value-line design, slim and discreet, delivers quiet convection comfort.