KT9 detection pen hotel anti-monitoring detector anti-eavesdropping infrared camera
KT9 detection pen hotel anti-monitoring detector anti-eavesdropping infrared camera Alarm Mode - Vibration Alarm, Buzzer Alarm Detection frequency band -1-6.5 (MHz Working range -0.1-5(m Operating voltage -3.7 (V Dimensions -17x133 (mm
KT9 detection pen hotel anti-monitoring detector anti-eavesdropping infrared camera
KT9 detection pen hotel anti-monitoring detector anti-eavesdropping infrared camera Alarm Mode - Vibration Alarm, Buzzer Alarm Detection frequency band -1-6.5 (MHz Working range -0.1-5(m Operating voltage -3.7 (V Dimensions -17x133 (mm