A great go to for an EDC light. The Streamlight ProTac 2AA is a versatile and well adored tactical style EDC light. The ProTac 2AA takes 2 AA batteries; that way you can always find batteries for these easily.
A versatile, pocket sized light with 250 lumens of bright light
TEN-TAP® Programming allows selection of three different operating programs
IPX7 waterproof to 1m for 30 minutes; 2m impact resistance tested
Includes two “AA” alkaline batteries and nylon holster