dog electronic shock training beep collar with bird sound control

The M81R  is a upgraded version which add blue backlight LED display. You can train your dog at night.   Features Precise stimulation level (0-100) 300 Yard range Rechargeable Li-ion batteries LCD screen displays exact level of stimulation even in dark or low light conditions which add blue backlight. Three bar battery life indicator Power saving mode improved (To save power.the collar receiver will automatically turn off if unused for 4 minutes (any movement will activate it); the transmitter will go into STANDBY MODE if there is no operation after 20 seconds, and turn off after 2 minutes. (Press the mode; button for 5 seconds to activate it) Lion Battery is fully comply UN38.3 and MSDS certification. Package Contents Transmitter Receiver  Battery charger and USB cable Nylong Leash Test light Owner’s manual