https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
40M 540TVL IR vari-focal and weather-proof  camera LN860SR

40M 540TVL IR vari-focal and weather-proof camera LN860SR

Shenzhen Logon Technology Co., Ltd.
Region: China
Update: 08/07/2008
Key Specifications
Features:

*1/3"SONY HQ1 CCD, real 540TVL

* 4~9mm vari-focal lens

*48pcs IR LEDs, IR Range up to 40M indoor

*Aluminim dome casing, strong and stable

*Weather-proof IP67

*Very good picture both Day & Night

*Adjusting Lens Focal from outside

*DC and AV version are both available

https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions