**THESE ARE NOT STANDARD/REGULAR 2.5volt BULBS!!** CHECK YOUR STRING TO MAKE SURE WHAT voltage/amp/watt BULBS YOU NEED!!** READ FULL DESCRIPTION!** 100 Energy Saving, Heavy Duty 2.5 Volt Replacement Christmas GREEN Mini Light Bulbs - White Base. 2.5 Volts - .25 Watts - 0.1amp. ***This listing is for 100 2.5 volt ES HD replacement GREEN Christmas mini lights.  These incandescent light bulbs can only be used in 200 or 300-light strings. They have all been tested and work. ***Guidelines for replacement bulb voltages *20-light strings – 6 volt bulbs *35 & 70-light strings – 3.5 volt bulbs *100-light strings – 2.5 volt bulbs *200 & 300-light strings – ES HD 2.5 volt bulbs   ***Specifications- 100 2.5 volt ES HD GREEN incandescent mini lights with white bases. 2.5 Volts - .25 Watts - 0.1amp. GREEN bright bulbs.   ---------IMPORTANT - These are replacement mini lights to ONLY be used on 200 or 300-light strings and pre-lit Christmas trees!   ***Every manufacturer makes their own mini light bases therefore we cannot guarantee that our  bases will fit your light strand. *If these bases do not fit your light strand please follow the instructions below:    -Un-plug the string of lights from the outlet. · Remove the bulb from the string by inserting thumbnail under base flange and pull straight out. · If replacing the base, bend the 2 wires straight and pull out the bulb from base. · Carefully insert the two copper wires of the replacement bulb through the small holes in the lamp base so the bulb settles into the base and the two thin copper wires are sticking out of the base. · Bend the two wires up the two sides of the outside of the base. · Push bulb and base back into socket aligning the base wires to the socket connections. ...............Just a reminder...............These replacement bulbs are -ONLY- for use in 200-300 light strings and pre-lit Christmas trees!!