Streamlight MegaStream® HP USB Flashlight - Black SLI66211
Streamlight MegaStream® HP USB Flashlight - Black SLI66211
The MegaStream® HP USB is a compact, long-range rechargeable flashlight designed for maximum downrange visibility. It produces up to 1,350 lumens and 310,000 candela with a focused beam that reaches over 1,100 meters. A removable SL-B34® lithium-ion battery allows charging inside or outside the light, while the sliding metal sleeve protects the USB-C port. Its rugged, anodized aluminum body is built for demanding use.
Features & Benefits
- Lighting Modes:
- High Mode: 1,350 lumens; 310,000 candela; 1,114 m beam distance; 2-hour runtime
- Medium Mode: 470 lumens; 108,000 candela; 657 m beam distance; 4-hour runtime
- Low Mode: 145 lumens; 32,000 candela; 358 m beam distance; 15-hour runtime
- Push-button tail switch with momentary or constant-on operation
- Powered by (1) SL-B34® 3,500 mAh Li-ion rechargeable battery
- USB-C charging with LED charge status indicator
- Machined aluminum alloy housing with Type II MIL-Spec anodized finish
- IPX7 waterproof; 1 m impact resistance tested
- Removable pocket clip; includes USB-C cord and holster
Specifications
| High Lumens | 1,350 |
|---|---|
| Run Time | 2.00 hours |
| Beam Distance | 1,114 meters |
| Max Candela | 310,000 |
| Battery Type | SL-B34 Rechargeable Battery Pack |
| Battery Quantity | 1 |
| Length | 6.61 inches (16.79 centimeters) |
| Weight | 9.00 ounces (255.15 grams) |
| Colors | Black |
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Product Guide






Description
Streamlight MegaStream® HP USB Flashlight - Black SLI66211
The MegaStream® HP USB is a compact, long-range rechargeable flashlight designed for maximum downrange visibility. It produces up to 1,350 lumens and 310,000 candela with a focused beam that reaches over 1,100 meters. A removable SL-B34® lithium-ion battery allows charging inside or outside the light, while the sliding metal sleeve protects the USB-C port. Its rugged, anodized aluminum body is built for demanding use.
Features & Benefits
- Lighting Modes:
- High Mode: 1,350 lumens; 310,000 candela; 1,114 m beam distance; 2-hour runtime
- Medium Mode: 470 lumens; 108,000 candela; 657 m beam distance; 4-hour runtime
- Low Mode: 145 lumens; 32,000 candela; 358 m beam distance; 15-hour runtime
- Push-button tail switch with momentary or constant-on operation
- Powered by (1) SL-B34® 3,500 mAh Li-ion rechargeable battery
- USB-C charging with LED charge status indicator
- Machined aluminum alloy housing with Type II MIL-Spec anodized finish
- IPX7 waterproof; 1 m impact resistance tested
- Removable pocket clip; includes USB-C cord and holster
Specifications
| High Lumens | 1,350 |
|---|---|
| Run Time | 2.00 hours |
| Beam Distance | 1,114 meters |
| Max Candela | 310,000 |
| Battery Type | SL-B34 Rechargeable Battery Pack |
| Battery Quantity | 1 |
| Length | 6.61 inches (16.79 centimeters) |
| Weight | 9.00 ounces (255.15 grams) |
| Colors | Black |
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