USHIO 1000w 120v DXW / 120V T5 3200K JPD120V-1000WC5 Halogen Lamp Bulb This USHIO brand halogen bulb has a R7s Recessed Single Contact base. The Double Ended halogen bulb has a rated life of 150 hours. The Double Ended bulb provides a bright whiter light than incandescent bulbs. BaseR7s Recessed Single Contact Bulb TypeHalogen Bulbs Color Temperature (K)3200K Diameter (in)0.59 FilamentCC-8 Maximum Overall Length3.74 Rated Life (Hours)150 ShapeT5 Voltage (V)120V Wattage (W)1000W