<b>What's in the package: 1 X remote control , no battery and instructions included<br>it will work straight away when new batteries inserted<br>●Do not leave the remote in an extremely hot or humid place.<br>●Do not use a new battery with an old one.<br>●Do not expose the remote sensor to direct sunlight or lighting apparatuses. Doing so may cause a malfunction.<br>●If you don't use the remote for an extended period of time, remove the batteries to avoid possible damage from battery leakage and corrosion.</b>