BABA TRADE

CCTV Camera Focal Length Explained | 2.8mm vs 4mm vs 6mm vs 12mm in HindiEP-06 Kya aap jaante hain ki sirf galat focal length ki wajah se CCTV camera hone ke baad bhi chor ka chehra nahi dikhta? 😳 Is video mein maine CCTV camera focal length ko bilkul simple tarike se explain kiya hai: 🔍 Focal Length kya hoti hai? 📐 2.8mm — Wide angle, indoor rooms aur lobbies ke liye best 📐 4mm — Balance, shop entrance aur office doors ke liye 📐 6mm — Medium distance, parking aur gali ke liye 📐 12mm — Long distance, gate aur road surveillance ke liye 🔧 Fixed Lens vs Varifocal Lens — kaunsa lena chahiye? ✅ Quick Rule: 🏠 Indoor → 2.8mm 🚪 Entrance/Door → 4mm 🅿️ Parking/Road → 6mm se upar 👇 Comment mein batao — aapke ghar ya shop mein kahan camera lagwana hai? Main FREE mein suggest karunga!

Celebrate the spirit of righteousness, courage, and devotion this Ram Navami 🙏✨

On this auspicious occasion, Dahua Technology wishes you and your family peace, prosperity, and protection always.

Just like Lord Ram stood for truth and security, we remain committed to safeguarding what matters most to you.

🌼 Happy Ram Navami! 🌼