Zoomable Waterproof Headlamps for Outdoor Camping

◆ Use two international patented LED, up to 50000 hours lifetime. ◆ Use one 3.7V 18650 rechargeable lithium-ion battery. ◆Constant current circuit, constant brightness. ◆ Anti-reverse connection design to prevent the battery from being installed backwards and causing harm to the circuit. ◆ IP66 dust-proof and waterproof protection. ◆ Anti-slip design. ◆ Made of aviation aluminum with hard anodized surface anti-abrasion treatment. ◆ Using double ultra-thin lens, compact and lightweight, 97% light transmission rate. ◆ 180 degrees zoomable and adjustable angle, good for different activities. ◆ Skin-friendly environmental protection silicone bracket. ◆ Size: 86×32X24mm ◆ Net weight: 37.5g (exclude battery)