White light parameters: 6000K Red light parameters: 615-625nm (L2 lamp beads) Green light parameters: 520-530nm (L2 lamp beads) Product size: 14.8*3.7*2.7cm Applicable battery: 18650 Lithium ion Battery product power: 10W product material: aluminum alloy Working voltage: 3.7V product color: black Switch position: Middle button switch (switch with battery display, green light indicates power, red light indicates low battery) 1. L2 lamp beads, high brightness up to 1600 lumens, service life of 100,000 hours; 2. Lens sheet: good light transmission performance, not easy to damage, solid aluminum attack head protection lens is not subject to wear; 3. Fixed focus: good concentrating effect and long distance of illumination; 4. Central switch: high quality natural rubber material, surface anti-slip treatment, tact switch to switch the lighting mode, long press the switch to turn off the light; 5. Battery contact: copper-plated cylindrical battery contact design, copper has good electrical conductivity, effectively preventing contact failure.