VZ Sensor turns any stationary exercise bike into a VirZOOM-ready bike. The faster you pedal in the real world, the faster you move in VR. The device is small enough to fit in your pocket, and easily affixed to a bike's pedal crank arm with its elastic band. 

• High-resolution forward and backward speed sensor for pedaling.
• Automatic sleep mode to conserve battery life. 
• Quick attach and detach design: Elastic bands affix to any exercise bike pedal crank arm (comes with 2 bands).  
• Portable design for use at home or the gym.
• Expected Size: 2" (50 mm) × 1.5" (37 mm) × 0.4" (9.5 mm).
• Expected Weight: Under 0.7 oz (20 g).
• Expected Power: Uses 1 CR2032 coin cell battery, estimated to last 3+ months (at 30 minutes a day). Comes with 2 batteries.
• Available for commercial sales—contact business@virzoom.com.