The SL-20L Rechargeable LED flashlight by Streamlight features C4 LED technology and four modes. The multi-function push-button switch allows for selection of high (350 lumens), medium (160 lumens), low (10 lumens), or strobe mode. The NiCd battery fully recharges in 7 hours, the illuminated switch housing shows charge status, and the battery can be recharged up to 1,000 times. This water-resistant flashlight is available with a polymer or aluminum body.