The Weltool W65S is a rifle-mounted LEP weapon light rated at 700 lumens and 364,500 candela. That candela figure works out to an effective positive identification distance of 208 yards and visual impairment out to 29 yards, both calculated from the published beam data. It runs on 18650 and is rechargeable. It weighs 4.94 oz in an aluminum body 6.57 inches long. Measured against the 148 weapon lights in the index, it lands on the dimmer side for output (700 lumens), among the most intense 10 percent for beam intensity (364,500 candela), on the heavier side for weight (4.94 oz), and in the most expensive quarter for price ($340). It is one of 54 entries in the index that qualify as a light in the same 500 to 999 lumen class. The closest listed comparison is Weltool W35S, the same brand's light in the same 500 to 999 lumen class, priced at $325.

| Series | W65S |
| Light Color | White |
| Emitter Type | LEP |
| Lumens | 700 |
| Candela | 364500 |
| Laser | No |
| Effective PID Distance (yds) | 208 |
| Max Effective PID Distance (yds) | 80+ |
| Effective Visual Impairment (yds) | 29 |
| Max Effective Visual Impairment (yds) | 15+ |
| Form Factor | Rifle |
| Battery | 18650 |
| Rechargeable | Yes |
| Material | Aluminum |
| Weight (oz) | 4.94 |
| Bezel Diameter (in) | 1.28 |
| Length (in) | 6.57 |
| Country of Manufacture | China |
| Average Price | $340 |
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