Safety 1st - Secure Lights 49 MHz Audio Monitor: * 4 channels to minimize interference * Sound lights * Power and low-battery indicators * Audio jack for listening with earphones * Belt clip and carry loop * Volume control * 49 MHz frequency * More than 600" range * Secure Lights Baby Audio Monitor includes 2 energy-saving AC adapters draw energy only when units are on * Baby safety monitors are better for the environment and your wallet * Requires 3 AAA alkaline batteries (not included) Questions about product recalls? Items that are a part of a recall are removed from the Walmart.com site, and are no longer available for purchase. These items include Walmart.com items only, not those of Marketplace sellers. Customers who have purchased a recalled item will be notified by email or by letter sent to the address given at the time of purchase. For complete recall information, go to Walmart Recalls.