Upgrade your MadBull ultimate hop up unit with this LED module so you can use tracer bb's without an external airsoft silencer or suppressor.  This LED module is for the MadBull ultimate hop up unit. It allows you to change your Hop Up chamber to be a tracer unit easily with a simple installation. 

This tracer unit is a complete installation unit.  It mounts to the MadBull Ultimate Hop Up Unit and comes with all the wiring to complete an interior tracer unit installation.  The tracer unit wiring is wired into the AEG wiring, and includes a plug so the tracer can be disconnected from the AEG when it is not needed.

Notes:

• Voltage: 7.5-12.6v Life 10000+ hrs 1 Watt 8 Blue SMD LED (O.C.)
• Once pluged with battery, LED module will start consuming the battery (1 watt.)
• You have to unplug the battery to turn it off.

You may also be interested in this/these product(s)

MadBull M4 Ultimate Hop Up Unit $32.00