The Philips HeartStart OnSite AED offers low-energy biphasic therapy of 150J, 150J, 150J. The OnSite is perfect for home use as well as for any business looking to create a "heart safe" environment. Its simplicity makes this AED ideal for any responder to use during an emergency to save a life. Includes a case, a new battery, new pads, and a CPR Ready Kit. Call for special pricing, 877-731-7467.