This is a hydraulic or pneumatic component kituse it forJaws of life, hydraulic jack, hydraulic bridge ect.Included:1x 20ml syringe1x 10ml syringe400mm tubing2x Cable ties
Bulb holder for E10 bulbsthe holder can be screwed onto wood to secure it. You will need a star screwdriver to connect the wires.E10 bulbs can range from 1,5V upTypical bulb voltage found in stores are between 2.2V and 3.6V