[DETAIL] Features: AC Voltage: 12V -1000V Frequency: 50Hz/60Hz Alarm Mode: Sound/Light/Analog Display: LCD Display Screen Flashlight: Yes Shape Of Probe: Flat Low Battery Indicator: Yes Live Wire And Zero Line: Sound /Light/LCD Analog Display Non-Contact Sensitivity: Adjustable Auto Power-Off: Automatically shut down when there is no induction or operation for 3 minutes. Powered By: 2Pcs x AAA Batter(Not Included) Specification: Material: ABS Type: Non-Contact AC Voltage Detector Color: Shown as pictures Size: 20 x 6 x 6cm(7.87 x 2.36 x 2.36in) Quantity: 1 Pc Package Includes: 1 x Non-Contact AC Voltage Detector(Battery is not included.) 1 x User Manual [ATTRIBUTES] - Battery Included: No - Hign-concerned Chemical: None - Voltage range: 12/48-1000V AC - Battery Included: No - Hign-concerned Chemical: None - Voltage range: 12/48-1000V AC - Certification: None - Origin: Mainland China - Model Number: 340JJ - DIY Supplies: Electrical - Power Supply: Battery - Display Type: Analog Only - Power Source: Battery