WIRELESS X10 CONTROL OF YOUR HOME! X10 WIRELESS REMOTE Issue X10 commands from your couch, kitchen, back yard or anywhere within 100-feet of a plug-in Base Transceiver with this 8 button RF Wireless Remote by X10. Simply plug in the Base Transceiver (sold separately) and YOU HAVE CONTROL! Both the Handheld Remote and Base Transceiver work together to control unit numbers 1-16. An unlimited number of remotes may be used with a single Base Transceiver (XPPAT01). The XPPHR03 requires 4 AAA batteries.