Beuler brand Digital temperature meter with remote temp sensor Ithas a selector switch in the back to switch from F to C Celsius scale Digital Display -40F to +160F ( -30C to +70C) (Fahrenheit to Celcius Selector Switch on back) Remote wired probe can read temperature up to 8 feet away Designed to be flush mounted or can be surface mounted Battery Operated (included) (Aprox 2 year battery life)Size 1"x1.75"