Replaces 15 hour DJL lamp with 200 hour halogen lamp Installs in 5 minutes There is NO Drilling, wire cutting or special tools needed to install this kit, a Philips screwdriver is the only needed tool Works with many Bell & Howell projectors and other brands as well. This is a DJL lamp replacement kit for Bell & Howell, GAF and other 8mm projectors utilizing an old school DJL lamp that typically last only 15 hours. This new kit comes with a 200 Hour Life Halogen Lamp that can be easily replaced for under $15 and it installs in under 5 minutes. There is NO Drilling, wire cutting or special tools needed to install this kit, a Philips screwdriver is the only needed tool. This kit can easily be removed and installed in a different projector if needed.