These key ring torches are fantastic, once you add one to your key ring, you will wonder how you ever lived without it. The casing is made of a tough polycarbonate, which can withstand a lot of day to day punishment.
The Duracell OPTI-1 LED torch is part of the OPTI series and offers a maximum output of 40 lumens from a super clear LED. Powered by two AA alkaline batteries, the OPTI-1 has a run-time of up to 20 hours and can shine up to 21 metres range.
The Nitecore HA20 utilises a Cree XP-G2 LED that provides a maximum of 300 lumens output in turbo mode. Featuring a die-cast aluminium body that is stronger and has better heat sinking capabilities than ordinary plastic head lamps. With extremely small thermal resistance, the full metal housing of the HA20 can effectively transit the heat from the LED to its exterior, significantly improving heat dissipation efficiency.