• This product is a lithium battery-powered, True RMS, auto-range multi-function digital multimeter with 19999 counts LCD display and adjustable backlight brightness

• Not just a multimeter alarm clock: not only multimeters & speakers but also alarm clocks, time

• Multi-function helper: multi-functional, practical strong work, family can use music/alarm clock/time/temperature

• Music in your working: during measurement, it can connect bluetooth to play music, which can add fun to your work

• 360° surround sound quality: double speakers, bass shock feel different effects

Specifications:

• LCD Counts: 19999

• Measuring range: Auto/Manual

• Material: ABS + TPE

• Sampling rate: 3 times / Second

• True RMS: YES

• Data hold: YES

• LCD backlight: YES

• Low battery indicator: YES

• Auto standby: YES

• Clock settings: YES

• Alarm settings: YES

• Size: 200 x 135 x 105mm

• Weight: 895g

• Rechargeable and replaceable batteries (Optional)

• Battery: 18650 x 2 (Not Included)

• Environment temperature: 0~40℃ (32~104℉)

• Environment humidity: <70%

• Storage temperature: -20~60℃ (-4~140℉)

• Storage humidity: <80%

• Replaceable fuse

Electric Details:

• AC and DC voltages: 19.999mV~199.99mV~1.9999V~19.999V~199.99V~1000.0VDC (750.0VAC)

• AC and DC current: 19.999mA ~199.99mA~1.9999A~19.999A

• Resistance: 199.99Ω~1.9999kΩ ~19.999kΩ ~199.99kΩ~ 1.9999MΩ~19.999MΩ~199.99MΩ

• Capacitance: 9.999nF~99.99nF~999.9nF~9.999μF~99.99μF~999.9μF~9.999mF

• Frequency/duty cycle: 99.99Hz~999.9Hz~9.999kHz~99.99kHz~999.9kHz~6.000MHz

• Test continuity: YES

• Test diode: YES

Bluetooth Speaker:

• Bluetooth Version: V5.0

• transmission distance: ≤10M

• rated power: 2 x 4W RMS

• Bluetooth connection to play music