Olight i1R 2 EOS stands out as the lightest option for weight, with about a 28% gap from the closest alternative. Acebeam Keylite 500 stands out as the cheapest option for retail price, with about a 6% gap from the closest alternative. Acebeam Keylite 500 stands out as the highest output option for max lumens, with about a 233% gap from the closest alternative.
Decision Signals
What stands out
Cheapest
Acebeam Keylite 500 stands out as the cheapest option for retail price, with about a 6% gap from the closest alternative.
Most expensive
Olight i1R 2 EOS stands out as the most expensive option for retail price, with about a 6% gap from the closest alternative.
Lightest
Olight i1R 2 EOS stands out as the lightest option for weight, with about a 28% gap from the closest alternative.
Heaviest
Acebeam Keylite 500 stands out as the heaviest option for weight, with about a 40% gap from the closest alternative.
Lowest output
Olight i1R 2 EOS stands out as the lowest output option for max lumens, with about a 70% gap from the closest alternative.
Highest output
Acebeam Keylite 500 stands out as the highest output option for max lumens, with about a 233% gap from the closest alternative.
Shortest
Olight i1R 2 EOS stands out as the shortest option for length, with about a 25% gap from the closest alternative.
Longest
Acebeam Keylite 500 stands out as the longest option for length, with about a 34% gap from the closest alternative.
Specification Profile
Relative dimensions at a glance
Each axis is normalized against the largest raw value among the products in this comparison. Farther outward means a larger value, not necessarily a better result. Axes with an unverified value are omitted.
✓Compact and lightweight design (19 g)✓Balanced dual LED output with soft glow option✓Fast USB-C charging (~1 hour)✓Durable aluminum alloy construction with IP66 rating✓Multiple brightness modes including strobe✓Strong build quality and user-friendly switch✓Vibrant color options
✓Very light and small, easy to carry on keys✓Convenient USB rechargeable with micro USB port✓Simple and reliable twist interface✓Good brightness for size (up to 150 lumens)
Common complaints
⚠No user-replaceable battery⚠Limited runtime at highest turbo output⚠Mode order can be unintuitive⚠Low CRI and cool white tint
⚠No mode memory or additional blinking modes⚠Low charging current and small battery capacity⚠Small threading parts require careful handling