DescriptionCompact and versatile dual-headed light with 2 flexible goosenecks and with 2 durable LEDs on each head. The energy-efficient LEDs are rated for 100,000 hours. The practical and extra-wide clip (up to 25 mm) attaches to music desks, table tops etc. It can also be used as a standing light. The goosenecks are easy and compact to fold. Includes 3 batteries (1.5 V AAA) with a battery life of up to 20 hours. Powered also by AC adapter (not included).Technical Details Clamping range: up to 25 mm Intensity: 2 x ~1300 lux Light positioning by: goosenecks Lighting appliance: 2 x 2 LEDs Material: plastic Power supply: battery operation 3 x Micro (AAA) 1.5 V or mains power with power unit Special features: batteries included Type: black Weight: 0.066 kg