Simultaneous detect electric field and magnetic radiation;perfect for pregnant woman.<br />Sound and light alarm， automatic alarm exceeds the safety value;<br />Data lock， a key lock radiation values;<br />LCD graphic display radiation value trends;<br />Radiation Assessment， intimate reminder of the current radiation values are safe;<br />Model: GM3120<br />Material: Plastic<br />Color: Orange + Black<br />Dimensions: 125 * 63 * 31mm<br />Screen Size: 43 * 32mm<br />Power: 9V 6F22 battery * 1<br />Unit: electric field V / m， magnetic field uT<br />Accuracy: 1V / m， 0.01uT<br />Range: 1-1999V / m， 0.01-19.99uT<br />Alarm thresholds: 40V / m， 0.4uT<br />Reading Display: 3-1 / 2 LCD display<br />Test Bandwidth: 5Hz-3500MHz<br />Sampling time: approximately 0.4 seconds<br />Test mode: dual-mode with measuring<br />Overload Tip: LCD displays "1"<br />Operating temperature: 0 °C ~ 50 °C<br />Operating Humidity: 80%<br />1 x Electromagnetic Radiation Detector Meter<br />1 x Built-in 9v bettery<br />1 x English manual<br />Good packing<br /><img src="http://img6.eachbuyer.com/x9/p100/cb921_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cb921_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cb921_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cb921_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cb921_5.jpg" />