UP TO 30 DAYS BATTERY LIFE, IP68 WATERPROOF: Pawfit 3s gps dog tracker can be submerged in water up to 9.8ft deep and for up to 30 minutes. Using the most power-saving LTE-M cellular technology, Wi-Fi and Bluetooth 5.1 to send the GPS location updates to your phone app, and combining with Pawfit’s intelligent algorithms to maximize the battery life. NOTE: how and where you use your Pawfit 3s dog gps tracker will affect its battery life. UNIQUE SPEAKER FOR REMOTE VOICE COMMANDS: Speak to your dog even when they’re out of earshot! With Pawfit 3s gps tracker for dogs, you can record up to five personal voice commands that your dog can hear right from the speaker of the tracker. Plus, these commands can be used as an additional training and recall tool. LIVE TRACKING WITH UPDATES EVERY 5 SECONDS: No worry about losing your dog! Set up the safety fence and receive notifications once they escaped sneaky. Turn on the FIND mode to activate live tracking and update your dog’s location every 5 seconds so you can find them FAST. Built-in LED light and alarm, Pawfit 3s gps dog collar tracker helps find your dog in the dark easily. In Regular mode, Pawfit 3s pet gps tracker updates the location every 30 seconds to two hours to save battery power.