BK 1502DD Regulated DC Power Supply 15 volt 2.1 Amp Digital LED Screen Maintenance of communications-specific power,the power supply is designed for mobile phones and other communications equipment. Designed for maintenance,it uses the most advanced short-cuircuit protection resume. The protection of the rapid rate of,and a sound and light alam,after treating the unshorting. be ruled out after in 1 second automatically resume output. Voltage measurement interface.Can be replaced by precise digital voltmeter measurements voltages DC. Radio-frequency signal detection,Suitable for of communication equipment maintenance