Features: Multi-function: The product supports remote recording, voice-activated callback, voice-activated recording, APPs listen, WIFI+LBS+AGPS positioning, real-time tracking, historical track, vibration burglar alarm, SOS one-button help, electronic fence 1 and other functions. Ultra-small Size: The product is equivalent to the size of one coin, very easy to carry and easy to hide. Multiple Precise Positioning: The product adopts four positioning modes: Beidu & GPS & WiFi & LBS positioning, without distance limitation, enabling fast and real-time precise positioning. Automatic recording: The product supports voice-activated listen, recording without manual command, detecting someone to speak automatically and continuously recording, very convenient. Nondestructive sound quality: The product adopts high-definition silicon wheat, which can collect sound sources in 360, capture sound faster and more stable. (Does not include SIM card, requires self purchase.) Specifications: Material: PVC Color: Black Style Options: 3 Style are Available as Shown in the Picture. Memory Card Support: TF card 32GB (maximum) Battery Capacity: 350mAh Positioning Accuracy: 10-50 meters Recording Range: 80 square meters Platform View: SMS+APP+Computer Size: approx.3.3x2.2x1.6cm/1.29x0.86x0.63in (More Size Detail, Please See Photo.) Package Includes: Package Options: Package 1: 1Pc x GPS Tracker 1Pc x Instructions 1Pc x Charging Cable Package 2: 1Pc x GPS Tracker 1Pc x Instructions 1Pc x Charging Cable 1Pc x 16G Memory Card Package 3: 1Pc x 16G Memory Card note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Thanks!