Color/finish: black This mini GSM/GPRS/GPS tracker is designed to help track the old, kids, pets, valuable items or monitor the surroundings conveniently. All you need to do is to insert a SIM card and send some short commands from your smartphone. Youll be able to get accurate locations of the tracker and hear the sounds within 10 meters/98 feet of the tracker, plus youll get alerted once the sound reaches 45dB when the tracker automatically calls the number youve authorized as you like. Helps tracks the old, kids, pets, or valuable items like aircraft model Locates by texting that includes whereabouts and a link to map plus battery level Allows phone number authorization Emergent SOS function with a simple button Monitors the surroundings by sending back the sounds within range Option to automatically recall the authorized number when it detects a 45dB sound within range Able to work with app for more convenient uses Charges via included USB cable Charging input: AC 100-220V 50/60 Hz Charging output: 5V 500mA Connection: GSM/GPRS GSM Frequency: 850/900/1800/1900Mhz Detection range: 10 meters/98 feet System compatibility: Android and IOS Battery: 3.7V 500mAh rechargeable li-ion battery Size: 3.14.21.2 cm/1.221.650.47 (LWH) Weight: 17g/0.6oz 1Real Time Portable Mini GMS/GPS/GPRS Tracker 1USB Charging Cable 1User Manual Measurements: 6.5in x 3.7in x 1.5in Imported