Package Include:1 x Pre-Amp Plus Pickup1 x Connecting Wire with 2.5mm Plug1 x 9 Volt Battery Box (Battery Not Include)1 x Mounting Base with Sticker4 x Mounting ScrewsSpecifications:Features:- Under the saddle pickup for acoustic guitar- Pre-wired for easy assembly- 4 bands plus volume control- Supplied with a battery box- Connecting wire with 2.5mm plug included- Low battery indicatorPresence Control: +- 12dB at 8KHzBass Control: +- 12dB at 600HzMiddle Control: +- 12dB at 600HzTreble Control: +- 12dB at 2.2KHzInput Impedance: 10MωFrequency Response: 20Hz - 20KHzPower: 9V alkaline battery (Not Include)Color: BlackPickup Dimensions (L x W x H): 105 x 47 x 60mmNet Weight: 114gPackage Weight: 124gAfter Sales Service: 1 Year WarrantyPackage Weight : 149 G / 5.26 Ounces