1.83 m. Quality since 1924. 5-1/2 inch reflector. Polarized. For home use. Full swivel head and sure grip clamp. 60 watt light bulb rating. 18 gauge. Specifications: 120 volts; 60 watts bulb max; 18/2 SPT-2. ACE Promise: Satisfaction guaranteed. UL listed. www.acehardware.com. Manufactured in Indonesia.