What's in the box:

Guitar Piezo Active Pickup Pick-up Transducer with Volume and Tone Control for Folk Classical Guitar Ukulele (Standard)

Features:
The signal picked up by the piezoelectric pickup is clean and the graininess is strong.
The pickup's special pickup is longer than other pickups on the market, and the tone is full.
The sound hole-mounted volume and tone control allows you to make easily accessible adjustments.
AP1 is an active pickup that requires 9V battery power. (The battery is not included.)
Using MOS circuit, the tone is warm and natural.
Suitable for classical guitar, folk guitar, Ukulele.

Specifications:
Material: Metal
Power Supply: 9V, 100mA Battery(not included)
Package Size: 13.8 *9 *6.6cm/ 5.4 * 3.5 * 2.6in
Package Weight: 225g/ 7.9oz

Package list:
1 * Pickup
1 * Installed Traction Line
4 * Cable Holder
2 * Stick
1 * User's Manual