Precautions: 1. Can not direct light exposure to the eyes, so as not to cause eye damage; 2. Do not overpressure use, the voltage should not exceed 4.2V, the battery should not reverse, otherwise it will burn the circuit board; 3. When charging, please look for the positive and negative charger, do not overcharge the battery, so as not to damage the battery life (charging time is generally 5-8 hours) 4. When using the torch, check the thread at the tightening without loosening, otherwise it may cause not bright light; 5. Flashlight should be avoided in the sun or high temperature environment placed, stop using the battery after the battery is stored in a cool and dry place; 6. Company flashlight with life waterproof ability, the general rain will not be a problem, but do not have diving function, do not carry this flashlight dive or long time on the basin, bathtub; 7. To keep the O-ring (sealed apron) and thread rotation smoothly, please 2-3 times a year in its surface wipe oil and so on. Item Type: Flashlights Zoom: No Function: Hard Light,Shock Resistant,Laser-Pointer Battery Type: 14500,AA Flashlight Type: Outdoor/Bike/Lighting/Hunting Charger: Support Dimmer: 2-4 files Model Number: SM88 Switch Mode: High/Middle/Low : LED Bulbs Lighting Distance: 100-200 m Length: Non-adjustable Wattage: 10W Waterproof: Yes Lumen: 2000 Model of LED Beads: Q5 Function: COB/LED Lighting Battery mode: AA/14500 Duration(Full electric): Laser-24 Hours/UV 15 Hours/Lighting 10 Hours Model Name: SM88 Quantity: 1 PCS Beads: Imort LED Beads Mode: 4-Mode XPE Strong - XPE Low - COB Strong - COB Strobe Lamp Life: 100,000 Hours Emitted Color: White Light Switch: Tail Cap Clicky/Clickie Lens: Convex Lens Case material: Durable aircraft-grade aluminum Charging mode: 14500/AA Net Weight(g): 36g Lighting Distance: 0-200 meters Beads Life: More than 100000 hours Notice: Please charge the flashlight before it is fully used, otherwise it will affect battery life. colour: black Material: Aluminum size: 9.2cm*2cm Package Contents: 1*Flashlight(Does not contain battery) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.