DO-IT-YOURSELF CAMERA SYSTEM FOR HOME & BUSINESS; COMPACT-SIZE INDOOR/OUTDOOR WIRELESS CAMERA WITH AUDIO; WIRELESS TRANSMISSION UP TO 100-FT WITHOUT ANY INTERFERENCE FROM CROWDED 2, 4 GHZ/5, 8 GHZ DEVICES; BUILT-IN IR LEDS PROVIDE UP TO 23-FT NIGHT VISION; UP TO 24-404 HOURS RECORDING TIME; SCHEDULE, MANUAL OR MOTION DETECTION RECORDING; OVERWRITES WHEN SD IS FULL; USB PORT FOR BACKUP, DOWNLOAD & PLAYBACK; CAN BE UPGRADED BY ADDING 1 MORE WIRELESS OR WIRED CAMERA SKU: PEMCYHDKT1