Philips Avent SCD733

100 Percent private, no interference: DECT technology provides a secure connection. Rest assured, you are the only one listening in. Crystal clear sound: DECT technology provides crystal clear sound, so you can hear every giggle and gurgle with perfect clarity. Smart ECO mode: This unique mode automatically minimises your transmission power and increases battery lifetime. The unit takes 10 hours to fully recharge for up to 18 hours of operation. Power supply: 120 V (US), 220 - 240 V Includes: 1 Philips Avent DECT-baby monitor (baby unit and parent unit), 2 AA batteries, 2 power adapters and a belt clip. (Batteries for baby unit not included)