Wurkkos CL01 1. Led - CSP1313 3000K *14+CSP1313 6000K *14+Color led*142. Operating voltage - 3.0V-4.2V3. Beam Angle - 360°4. Battery options - 1x 21700 Li-ion Battery5. Dimension - 106.6mm (length) x 45.7mm (tail diameter)6. Weight - 110g / (without battery)7. Circuit Type - Buck constant current driver8. Water resistance i.a.w. IP659. Reverse polarity protection to protect against improper battery installation.10. Advanced Temperature Regulation (ATR) technology - ATR automatically reduces the