Is the Philips Avent Baby Monitor battery operated or electric?
http://www.amazon.com/Philips-Avent-SCD-590-Zero-Interference/dp/B000NG7XGU/ref=sr_1_1?ie=UTF8&s=baby-products&qid=1223753972&sr=8-1 Portable and Rechargeable This rechargeable unit comes complete with a charging base for eight hours of cordless monitoring with a range of 900 feet. For easy operation, the low power indicator lights up when batteries need recharging or replacing, and an audible and visual digital signal confirms a continuous link to baby unit monitor sound level. There’s also a starry nightlight to comfort baby in the dark, and a two-way intercom to reassure baby from another room. Finally, this portable unit includes a belt clip and neck cord for hands-free convenience, as well as rechargeable “AAA” batteries. The SCD590 comes with a full two-year warranty. What’s in the Box Two monitors, neck cord, belt clip
