SPORTDOG® BRAND SD BEEPER•Features Realhawk® beeper sound •DryTek® waterproof design technology •2 hr. charge •9 selectable tones •3 run modes (silent, 5 or 10 sec. beep) •Audible to 500 yds. •Instant locate feature w/touch of a transmitter button •Change tones at up to 1 mile range •3-dog capable •Compatible w/SD-1875, SD-1825 & SD-2525
