HoTone Skyline Grass, compact classic overdrive pedal for electric guitar with warm tube-style tone, gain control, volume control, voice control, BRT switch (add brightnes), LED-status, true bypass, jack input & output, DC input (center negative, 9Ma consumption) for 9V DC power supply (not included - optional 108096), dimensions 74mm (D) x 44mm (W) x 44mm (H), weight 190 g.