Equipment Kit: The package includes a model MLX90640 2.8-inch LCD digital infrared thermal imager, 1 electromagnetic field detector, and 4 glowing cat balls. This complete combination can easily meet your needs for environmental detection and exploration. Reliable Quality: Our thermal imaging camera is made of epoxy resin board and printed circuit board. Measurement range from -40C to +300C, with a 2.8-inch screen resolution of 320 x 240. The screen displays and tracks maximum temperature, minimum temperature, and core temperature. Detecting Changes: Our handheld electromagnetic field detector accurately locates changes in the magnetic field, helping identify variations in the surrounding environment. It detects frequencies from 50Hz to 2000 MHz. With dual functionality, it measures both electric and magnetic fields simultaneously, suitable for use during night or day. Interactive Experience: The set includes four glowing cat balls. When triggered by movement or proximity, they emit light or sound, alerting users to nearby activity. They can be used as interactive tools during investigations to enhance engagement and responsiveness. Easy to Use: The equipment is simple to operate without complex procedures. No advanced technical skills are required. Whether using the thermal imager or the detector, just press the button to automatically scan the surrounding environment. Color: As Shown Material: Metal Package Contents: 1 set * Detection Kit Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. The measurement allowed error is +/- 1-3cm.