Feature: 1. QUICK DRYING: Achieve even curing of gel nail polishing within 8 seconds and gel topcoat within 12 seconds with the mini ultraviolet nail lamp, enjoy efficient and fast drying times for your nails, saving you time and effort during your manicure routine. 2. LIGHTWEIGHT AND PORTABLE: Experience the wireless nail caring with the mini UV nail lamp that is compact and easy to carry, say goodbye to location constraints and enjoy comfortable and convenient nail treatments anytime, anywhere. 3. VERSATILITY: Designed for gel nail treatments in all settings, the mini UV nail lamp is especially suitable for single nail caring sessions and detailed nail art. Whether you are at home or on the go, achieve professional quality nails with the versatile and compact nail lamp. 4. USB CHARGING: Equipped with a built in 200mAh lithium battery, the mini UV nail lamp provides convenient and quick charging via USB. Enjoy on the go nail treatments without the need for constant power sources. 5. HANDHELD DESIGN: The small and portable handheld design of the mini ultraviolet nail lamp makes it easy to grip and use. Experience comfort and ease during your nail caring routine with this user friendly and practical design. Specification: Item Type: Mini Ultraviolet Nail Lamp Material: ABS Size: Approx. 11cm / 4.3in Lamp Bead: 1 Rated Voltage: 4.2v Wavelength: 365-405NM Battery Type: Lithium Battery (shipped with built in battery) Battery Capacity: 200 mAh. Package List: 1 x Mini Ultraviolet Nail Lamp (Shipped with Built in Battery ) 1 x Charging Cable 1 x Instruction Manual Note: Please allow 0 to 1cm error due to the manual measurement.