Feature: 1. Enhanced Efficiency: The hair extension light efficiently cures hair extension glue in just 5 to 6 seconds, greatly improving work efficiency for quick and professional hair extension process. 2. Professional Performance: The LED hair extension light allows for curing distance of 5 to 10mm for precise and delicate work, suitable for professionals requiring high accuracy to provide the best hair extension results. 3. Portable and Long Battery Life: The UV hair extension lamp features lightweight handheld design with built in 5000mAh lithium ion battery for over 4 hours of continuous use, ideal for both salon and travel use. 4. Accurate Battery Display: The battery display of this UV glue hair extension lamp allows users to check remaining battery power at all times, ensuring work progress is not affected by low battery. 5. Energy Saving: 18W low power design of this handheld hair extension lamp reduces energy consumption and helps extend battery life for long lasting performance. Specification: Item Type: UV LED Hair Extension Lamp Material: ABS Power: 18W LED Quantity: 6Pcs Lighting Range: Approx. 10-50mm / 0.39-1.97in Curing Distance: Approx. 5-10mm / 0.2-0.39in Curing Time: 5-6 Seconds Usage Time: >4 Hours Battery Type: Built in 5000mAh Lithium Ion Battery. Package List: 1 x UV LED Hair Extension Light 1 x Hanging Rope 1 x Data Cable 1 x Acrylic Plate 1 x User Manual