Features:
Three knobs + one toggle switch, wide adjustable range.

RATE: This is a control for setting the speed of the internal oscillator.
BLEND: This is a control for setting the mix of the modulated and the dry sound. Turn it up for a more intense effect.
INTENSITY: This is a control for setting modulation depth. Turn it up for a deeper effect.
INTENCE: two modes to choose

Specifications:
Model: BLUE OCEAN CHORUS
Material: Metal
Color: Blue
Power Supply: DC 9V, Center negative
Current Consumption: 40mA at 9V DC
Input Impedance: Approx. 400KΩ
Output Impedance: Approx. 2KΩ
Item Size: Approx. 93*52*47mm / 3.66*2.05*1.85in
Item Weight: Approx. 147g / 5.19oz
Package Size: Approx. 11.3*6.3*6.3cm / 4.45*2.48*2.48in
Package Weight: Approx. 184g / 6.49oz