价格:未填
供应:99999
发货:3天内
Features:·7bandsdigital LEDdisplay·Stage-by-stagesoundalarm·Optionalsensorstyleandcolor·Humanvoicealarm(option)·Anti-freezing,rainy-proofdesign,workwellunderextremecoldweatherSpecifications: ·Working voltage: DC12V 2V ·Power Input: 5W(max) ·Beeper: 80dB·Working temperature: -40~+80°C·Frequency: 40KHz·Detection distance: 0.4-2m·Alarm distance: 0.3-0.6m·Best detection distance: 0.4-1.5m