Mini large screen twin digital multimeter, with buzzer overload protection, square wave output ampere ohm test probe
The most important features of CMM-40 are:
1. Tests HDMI/MINI-HDMI cables
2. Fastline collocation type: A with A, A with C and C with C
3. Checks circuit breakage, short circuit, cross circuit and the missing wire
4. 20 visible LED indicators
5. Can toggle between scan and full display test modes
6. Single key operation
7. Manual/auto power off (after 10-minute inactivity)
8. Low battery indication
9. CE certification
10. Power supplied by 9V layer-built battery
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