Even if you put it in the water tank, put it in the refrigerator freezer and take the bright torch out again, The high powered torch can still light up normally. It is genuine tactical torch.
eBay
Super Powerful LED Flashlights 50000000LM Type-C Rechargeable Torch Lantern Tactical Flashlight Light 20000mAh Built-in Battery
Aliexpress UK
The zoomable lens lets you switch between a focused spotlight and a wide floodlight with ease. Illuminate Your World with Brightness and Durability! Get yours now and experience unmatched brightness and durability wherever you go!
eBay
New overseas version PEQ15 red laser laser IR fill light indicator tactical flashlight LED light strong flash
Aliexpress UK
Specifications Lighting Technology: LED Body Material: Aluminium alloy Focus: Stretching to adjust its focus Distance: 100 meters Modes: 5 modes ,Bright / Average / Dim / Strobe / SOS Power supply: 1 x Battery(Included) Net Weight: 319g/11.2oz Length:14cm/5.5inch Waterproofing design, but don't deep it into water. Package Includes 2 x LED Flashlight 2 x Rechargeable Battery 2 x Charger.
eBay
Portable Flashlight, 800 Lumens USB Rechargeable Tactical Flashlight, Flashlight IPX44 Waterproof Outdoor Emergency Light
Aliexpress UK
These torches also include - 20cm in length.
eBay
New Strong LED Flashlight Rechargeable High Power Tactical Flashlight Outdoor Strong Light Lighting Torch Emergency Spotlight
Aliexpress UK
1/2 Flashlight. Fast Heat Dissipation: Thick aluminum lamp cup, large area heat dissipation design. Battery Capacity: 1200mAh. Durable to Use with Great Performance: High-quality and high-strength ABS material, large aluminum reflector, high light-gathering performance, enhanced long-distance effect, can emit comfortable and smooth spots.
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Scout Light Side Rail mount for SF M300 M600 M600C Tactical Flashlight Mount Base Weapon Light fit Mlok Keymod 20mm Picatinny
Aliexpress UK
Never point the torch in anyone's eyes and read the manual carefully before use. flintronic strives for the superior in flashlight performance. STEP 1: Press the button at the bottom of the torch. Do Not Fully Pressing!
eBay
High Strong Power Led Flashlights Tactical Flash Light Torch Ultra Bright Lamp USB Charging Camping Fishing Defensa Zoom Lantern
Aliexpress UK
Perfect for camping, hiking, fishing, sailing, ride, outdoor, etc. Waterproof：IP44 Daily Life Waterproof (Can't Dive). Type：Handheld Flashlight. [Dual lamp and dual mode] powerful performance, dual-lamp lighting and long-lasting battery life, the main LED light can focus the strong light, suitable for outdoor hiking, adventure, patrol, fishing, side COB light suitable for camping, reading, large flood light is not dazzling.
eBay
15000mah Built-in Battery 1000W Most Powerful Led Flashlights Tactical Flash Light Emergency Spotlights 4km Holiday Gifts
Aliexpress UK
7 gears, XHP50 strong light, XHP50 weak light, XHP50 flashing, COB white strong light, COB white weak light, COB red strong light, COB red flashing. LED: XHP50+COB LED. Type: Flashlight. 1 x flashlight battery.
eBay
LED Flashlight 2 Pack, Bright 2000 Lumens Tactical Flashlights High Lumens with 5 Modes, Waterproof Zoomable Flash Light
Aliexpress UK