... DVR Bullet Style 20M Waterproof MotoMTB, Skiiing,Snorkeling,Glidparauting,RC Toys Full HD helmet Sports DVR , Bullet Style , 20M ... Skiing,Surfing,Parachuting,Scotter, Canoeing,Yachating,Paragliding,Extreme Sports, RC Toys...... Total 2pcs 1000mAH Batteries,and lasts 90 minutes/piece, ... 950°F Vibration & LED Mode Indicators Power on: 1 long vibration; start recording: 1 short vibration; stop recording: ...