Fenix E03R V2.0 ($29.95) vs Fenix E12 V3.0 ($29.95) — side-by-side specs, weight, pros and cons to help you pick the right keychain light.
| Spec | Fenix E03R V2.0 | Fenix E12 V3.0 |
|---|---|---|
| Price | $29.95 | $29.95 |
| Weight | 30g | 53.9g |
| Output | 500 lumens, 90 m | 200 lumens, 78 m |
| LED | Two white light LEDs and one red light LED, with a lifespan of 50,000 hours | One Luminus SST20 LED |
| Modes | Seven modes including four brightness levels, red light, red flashing, and pulse light | Three brightness levels |
| Battery | Built-in 400mAh li-polymer battery | AA alkaline battery |
| Size | Length 52.5 mm, Width 26 mm, Height 13 mm | Length 81.5 mm, Head 19.3 mm, Body 17.4 mm |
| Runtime | 30 hours max | 100 hours max |
| Weight | 30g incl. battery (fenixlighting.com spec text: 1.06 oz. (30g) including battery) | 53.9g incl. battery (fenixlighting.com spec text: 1.9 oz. (53.9g) including battery) |