With professional preciseness The Airial BP2200 structured in such a manner that it has become a user friendly device. Every unit of this device is exclusively structured, which has become more patient’s friendly. It has a large display unit, which generates an effortless reading and memory recall of previous reading. With two years of warranty the product incorporates "AAA" batteries with 2 alkaline. It has Date & Time Display, Pulse Rate Indicator, Travel Case and Auto Off Function.