Note: This W1K remote control is not compatible with all brands of Mini Projector. It can only be used with the brands and models listed in the title. This W1K replacement remote does not include batteries or instructions. Please prepare 2 AAA batteries yourself. This W1K replacement remote requires no programming. You only need to install the battery to use it normally. Same 1:1 size as the original factory, convenient to replace. Can be replaced in about 1-2 minutes