... Sports DVR , Bullet Style , 20M Waterproof and used on MTB, Motorcycle,Car Racing, Car DV,Hunting,Snorkeling,Skiing,Surfing,Parachuting ... ,Scotter, Canoeing,Yachating,Paragliding,Extreme Sports, RC Toys...... Total 2pcs 1000mAH Batteries,and lasts 90 minutes/piece ... Full HD helmet Sports DVR Bullet Style 20M Waterproof,Moto, MTB, Skiiing,Snorkeling,Glidparauting,RC Toys