Wattage: 52W Voltage: 10V Base: GZ4 Reflector finish: smooth Rated luminous flux: 700 lumens Luminous efficacy: 13 lm/W Colour rendering index (Ra): 100 Colour temperature: 3400K Life time: 25 hours Dimmable: Yes Diameter of reflector (D): 35 mm Height (C): 37 mm Main application: Dental hardening Working distance: 26 mm Bulb temperature: 900degC Operating position: Universal Origin: Germany