Part number: 41-1660; Performance: krypton flashlight bulb can produce 4.8 volts at 0.75 amps, emitting bright light to meet daily lighting needs<br> Compatibility: the replacement bulb works well for 3D lights (or 4D lights), the quality glass and metal material allow them work for a long time<br> Easy installation: the flashlight bulbs are easy to install and remove, you can conveniently replace the old or broken bulbs on your flashlight without taking much time<br> Size: krypton replacement bulb is about 0.3 cm/ 0.12 inches in length, small and easy to store, won't take too much space in your home, but please keep them away from little kids to avoid swallowing risk<br> What you get: you will get 3 pieces of flashlight bulb replacements, enough quantity for your daily use and change; Warm note: please ensures the size before purchasing<br> 3 Pieces 6-volt/ 4D-4.8-volt 0.75a bayonet base krypton replacement bulb flashlight bulbs<br> Specifications:<br> Material: glass, metal<br> Part number: 41-1660<br> Length: approx. 0.3 cm/ 0.12 inches<br> Easy to install:<br> Check the size and part number first<br> Open your flashlights and take out the old broken bulbs<br> Install our bayonet base replacement bulb in<br> Finally assemble your flashlights<br> Package includes:<br> 3 x 3D(4D)-4.8-Volt 0.75A bayonet base flashlight bulb<br> Note:<br> Please allow slight size errors due to manual measurement.<br> Please keep the flashlight bulbs away from little kids to avoid swallowing risk.