Feature 1[High Precise Sensor] Equipped with high precise sensor and microcontroller processor, this EMF meter can quickly and accurately measure electromagnetic radiation values. 2[Dual Function] This device can simultaneously measure both electric and magnetic fields, providing comprehensive EMF detection capabilities. 3[Overlimit Alarm] With automatic overlimit alarm functionality, this meter offers three types of alerts, including audible, visual, and display warnings when exceeding the alarm threshold. 4[USB Rechargeable] Say goodbye to battery replacements! This meter features a built in 600mAh high performance lithium battery that can be easily recharged via USB, ensuring convenience. 5[Portable Size] With a compact and portable design, this EMF radiation detector is suitable for daily use, allowing you to monitor electromagnetic fields generated by household appliances with ease.Item Type: EMF MeterMaterial: ABSBattery Type: Lithium Battery (Built in)Battery Capacity: 600mAhTest Mode: Dual Film Simultaneous TestingTest Bandwidth: 5Hz to 3500MHzOperating Temperature: 0 to 50Operating Humidity: Below 80% RHSampling Time: 0.4 Seconds .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x EMF Meter1 x Charging Cable