This ultra thin multimeter is an automatic digital instrument. It features clear large screen reading and overload protection function. Driven by AAA 1.5V single battery, the meter is stable, accurate and reliable.    Features:  Able to test DC/AC voltage, resistance, frequency, on/off circuit and offers NCV detection, neutral and live wire identification.  Equipped with a 3.5-inch large screen which shows 5999 counts clear readings, easy to read.  Ultra thin design, just the size of a cell phone, making it extremely portable and easy to carry.  Built-in flashlight makes it convenient to use at night or dark corner.  Comes with a protective rubber case to ensure durability  Useful tool for home circuit installation, electronics repair, electrical facilities maintenance, automobile repair, home appliances repair.    Specifications:  Material: ABS  Brand: TASI  Model: TA804A               Measurement mode     Fully automatic             DC voltage     0.9V~600V(0.8%±5)             AC voltage     0.9V~600V(1.0%±3)             Resistance     10Ω~60MΩ(1.5%±2)             Frequency     40Hz~5999Hz             On-off beep     ≤50Ω(voice)             NCV voltage sensing     Yes             Neutral and live wire identification     Yes             Environment temperature measurement     0℃~40℃             Flashlight     Yes             Data Hold     Yes             Low voltage warning     Yes             Over-range prompt     OL             Positive and negative polarity indicator     Yes             Analog strip     Segment 21             Sampling rate     About 3 times/sec             Display count     5999 counts             Automatic shut-down     10 min             Display screen     3.5-inch large screen             Power supply     1 AAA battery(Not included)              Item Size: 148 * 76 * 19mm / 5.82 * 2.99 * 0.74in   Item Weight: 165g / 5.82oz   Package Weight: 307g / 10.82oz   Package Size: 17.7 * 12 * 3.5cm / 6.96 * 4.72 * 1.37in       Packing List:   1 * Digital Multimeter   1 * Screwdriver   1 * Pair of dedicated test leads   1 * User Manual