With this advanced digital audio recorder/player, you can record up to 60 (UK330M1) or 120 (UK330M2) of speech or any other audio with the built-in microphone and later play it back anytime. Recordings are stored in a non-volatile memory cell and will not be lost if power is disconnected. The circuit also features a LOOPING mode of operation. Supply voltage: 6V DC @ 150mA. Includes 4 x AA size battery holder. Not for puchase in California.