Material ABS Brand No Model CC308+ Color Black Quantity 1 Remote Controlled distance 5-10m Voice Decibels 20dB (earphone) Power Supply 110~240V US power plug Battery Type Built-in 280mAh Certification No Other Adopts active laser scanning and passive radio frequency sweep combination method can adjust potentiometers sensitivity; Can connect w/ earphone; Signal indicator; Can identify signal source quickly; Built-in 6-LED IR laser light and IR lens can find out eavesdropping radio pinhole camera wired camera and radiation source etc. assuring personal privacy; Retractable antenna length: 17cm; Built-in 280mAh lithium battery can use continuously for 4 hours Packing List 1 x Detector 1 x Earphone (65cm) 1 x 110~240V power adapter (90cm cable) 1 x Chinese / English user manual