ELECLOVER Cree 800 Lumen Bright LED Flashlight Bundle with Rechargeable Batteries, AC Charger, Charger Base and White Tube, Black REVERSE POLARITY PROTECTION: protect the LED light do not burn out if the battery installed backward 5 LIGHT MODES: high / medium / low / strobe / SOS. SKID-PROOF AND WATER RESISTANT: Great for Outdoor Camping, Climbing, Cycling, etc. DURABLE ALUMINUM ALLOY MATERIAL: aircraft grade alloy, premium type 3 hard-anodized RELIABLE AND FRIENDLY CUSTOMER SERVICE ready to respond within a 24 hour time. 30-Day Money Back