... Collars with LCD display Introduction:1. LCD display function:displaying Sound,vibration,static impulse,lights on the screen.2. LCD display:100(1 ... will turn off itself in 15seconds.5. the receiver uses 2pcs 7size(AAA)batteries,Remote control ... 1,control the first,choose2,control the other.7. Remote control have LED light functions,it is convenient to ... : Remote Pet Training Collar with LCD Display