Features： 1、Mini GPS locator, four positioning modes: GPS+for Beidou+LBS+AGPS, stable performance. 2、Support real‑time tracking, electronic fence alarm, sound audition, recording and low battery alarm. 3、Small size, light weight, easy to carry, can be used for car, motorcycles, the elderly and children. 4、Simple operating, just dial the SIM card number, you can hear the sounds around this tracer. 5、There is no light and no noise when tracking, you can silently monitor the situation around the tracer. Specification： Item Type: GPS Locator Material: ABS Size: Approx. 45 x 26 x 21mm/1.8 x 1 x 0.8in Battery Type: 602248 li battery, 600mAh (built-in) Login Account (Select User): 15-digit number on the device sticker, password login, factory default 123456, user can modify Communication Frequency Band: 850/900/1800/1900MHz GPS Chip: MTK high sensitivity chip Positioning Sensitivity: -165dBm Positioning Accuracy: <10 meters/32.8ft First Positioning Time (outdoor): Cold start <35s, hot start <1s Charging Voltage: DC5V Working Temperature: -20°-65°C Standby/Working Power Consumption/Battery: 600mAh 5mA-50mA Operating Steps: 1. Purchase a SIM card that supports 2G network (you can buy it at the mobile business hall of your country) 2. Insert the SIM card into it. (NOT Inlcudes SIM Card) Package List： 1 x Host  1 x Hanging Chain 1 x USB Line 1 x Pin for Retrieving Card 1 x Manual