A synthetic atmosphere creator. Use the effect on any instrument to add depth and simulate different environments. Push the Altitude and hear the reverb get blasted with gloom and distorted shimmer. Flip the tone toggle to get completely different vibes. Experiment and combine a variety of settings to obtain the perfect ambiance for your sound. Power: 9V (runs ons a positive ring, negative tip 9V DC adapter or included 9V battery). Current Draw: 66 mA.