Voltage Detector Alert Type Light Sound Built-In Flashlight No CAT Safety Rating CAT IV 1000V Cable Length Not Applicable Display Type No Display Maximum AC Voltage Measured 1 000 V Maximum DC Voltage Measured Not Applicable Non-Contact Yes Test Connection Type Probe Tip Testing Functions AC Voltage Features Adjustable to Safely Detect Power and Low Voltage Low Battery Indicator Safely Detects AC Voltage without Touching the Bare Conductor Power Source Battery Battery Size AAA