This uniquely designed L.E.D. Exit Sign Retrofit Kit has many special features. First, its an energy saving light that replaces (2) 20 Watt or 2 (25) watt incandescent bulbs with this special (2) .9 watt lamps, yielding tremendous (>$30/year) energy savings to the user. Secondly, this bulb is rated for 80,000 hours (we guarantee it for 25,000) and the incandescents that you are using are rated anywhere from 1000-2500 hours with no guarantee. The third reason is time, and the cost & time involved in replacing a lamp is eliminated. No longer do you need to grab a ladder, find or order a bulb, or more fussing with ladders. The T-Lamp retrofit kit consists of: (2) T-Lamps with candelabra base, 2 pcs of intermediate, medium and double contact bayonnet base adapters. Our price is $33.95ea. We have created a tool to help you calculate your Energy Savings. Simply click on the Lighting & Savings Calculator button located on the left hand side, follow the prompts, and Start Saving!Volume Discounts are available.