Digital display. Size: 4 1/2"h x 3 5/8"w x 1"d. Surface mount. Works with any KIP or Club model heater. Controls heater and room light. Griffin has 60 min. timer plus 10 min. to 12 hour delay timer in 10 min. increments. Has °F or °C display. Available for 240v/1ph. (Model CG170-U1) or 208/3ph. (Model CG170-U3).