Graco - Ultra Clear Analog Baby Monitor, Dual Receiver: * 49 MHz technology offers adjustable channel settings and a 600" range * Low battery alarm reminds you when the parent units need to be charged * Belt clip gives active parents wear-it-with-you convenience * Crystal clear sound * Adjustable volume * Sound lights * Ambient nightlight * 1 child unit * 2 parent units * 2 AC adapters * Instruction booklet * Requires 6 AAA batteries (not included)