Item Name: HT89 Screwdriver Probe Voltage TesterDIY Supplies: ELECTRICALOperating Temperature: 0-40Display Type: Digital OnlyModel Number: HT89Display screen: LCD Display ScreenRange Of Voltage Detection: 12-300V (AC DC)Alarm: Sound And Light AlarmProbe shape: Screwdriver TypeBacklight: Green and Red Double ColorLive and Neutral Indentify: According to LCD Display screenSignal Intensity display: LCD DisplaySignal Intensity indication method: Sound: slow to fast Backlight: Green to red LCD data : Low to highFlashlight: YesAuto Power Off: Without any operation in 3 minutesLow Power Indication: YesPower Supply: 1*1.5V AAA batteryWeight: About 85gSize: 147 x 26 x 23mmcolor:BlackMaterial:ABSPackage Contents:1 x Multimeter1 x English manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.