Features: * 900 MHz Technology extends the range of BabyCall Monitor to let you take the receiver farther than conventional (43-49MHz) monitors, yet still hear activities in the nursery * 27 Channels To Greatly Minimize Interference uses FM transmission system with channel selector to locate the clearest channel, helping to eliminate interference for clearer communication * Water Resistant* Receiver lets you use it even in the kitchen or bathroom * Built-In Rechargeable Battery Receiver provides great savings and convenience over replaceable batteries * Voice Activation Mode eliminates most extraneous background noise for clearer transmission * 5 Sound-Sensor Activity Lights to alert you when baby is making sounds, when receiver is out of range, and when battery is low * Out Of Range Indicator beeps and lights up when unit is out of range * Belt Clip allows you to wear the receiver as you move about the home, keeping hands free for other activities * AC/DC Operation operates on standard household current or supplied rechargeable batteries * Frequency Range: FM: 900MHz * Antenna System: Flexible round antenna * Channels: 27 * Output: 250mW (speaker) * Power Requirements: Transmitter: AC 120V, 60 Hz, Receiver: DC 3V with Sony Rechargeable Battery * Color: White * Supplied Accessories: AC Adaptor * Weight: Transmitter: 9 oz (255g), Receiver: 5 5/8 oz (160g) * Dimensions (WxHxD): Transmitter: 4 1/4" x 4 1/4" x 1 15/16" (106 x 107 x 48mm), Receiver: 3 7/8" x 3 7/8" x 1 11/16" (96 x 96 x 41.5mm) *Not meant to be immersed in or come into continuous contact with water