Street Address: Liangtian industrial zone, baiyun district, guangzhou. China
City: Guangzhou
Province: Guangzhou
Country/Region: China
Voltage:12v
Features: . Three colors LED light + "bibi" sound alarm . Stage-by-stage sound alarm . Optional sensor style and color . Human voice alarm (option) . Anti-freezing, rainy-proof design, works well under extreme cold weather Technical specifications: . Working voltage: DC 12V . Input: 4W (max.) . Beeper: 90-105dB . Working temperature: -40~+80°C . Frequency: 40KHz . Detection distance: 0.4-2m