14 days money-back guarantee

Boss CE-5 Chorus Ensemble specifications 

Input Impedance 1 M ohms
Output Impedance 1 k ohms
Recommended Load Impedance 10 k ohms or greater
Residual Noise Level -93 dBu (IHF-A, Typ.)
Connectors INPUT Jack, OUTPUT Jack A (mono)/ B, AC Adaptor Jack (DC 9 V)
Power Supply DC 9 V: Dry Battery 9 V type (6F22/9 V), AC Adaptor
Current Draw 22 mA (DC 9 V)
Accessories Dry Battery 9 V type (6F22/9 V)
Option AC Adaptor (PSA-Series)
SIZE AND WEIGHT ( INCL. BATTERY )
Width 73 mm 2-7/8 inches
Depth 129 mm 5-1/8 inches
Height 59 mm 2-3/8 inches
Weight 410 g 0 lbs. 15 oz.