CCTV camera kaise chunein — dukaan, office aur ghar ke liye
Kitne camera, kaunsa resolution, kitne din ki recording, aur installation me kya-kya poochhna chahiye.
CCTV lagwana ek baar ka kaam hai par chalana saalon ka. Galat chunav ka pata tab chalta hai jab footage ki zaroorat padti hai aur chehra pehchana hi nahi jata. Ye guide usi din ke liye hai.
Kitne camera chahiye
Camera ki ginti area se nahi, entry points se tay hoti hai.
| Jagah | Aam taur par |
|---|---|
| Chhoti dukaan | 2–4 camera |
| Showroom / godown | 4–8 camera |
| Office floor | 4–6 camera |
| Ghar | 4–6 camera |
| Factory / school | 8–16+ camera |
Har darwaza, cash counter, aur parking zaroor cover kijiye. Ek acche jagah laga camera do bekaar jagah lage camera se behtar hai.
Resolution — asli sawal
- 2MP (1080p) — chhoti dukaan, kam doori. Sabse sasta.
- 4MP — zyadatar business ke liye sahi jagah. Chehra pehchana jata hai.
- 5MP / 8MP (4K) — badi jagah, number plate, cash counter ke paas.
Counter ke upar ka camera kam se kam 4MP rakhiye. Wahi footage sabse zyada kaam aata hai aur wahin par 2MP dhokha de jata hai.
Recording kitne din ki
Ye storage par depend karta hai. Aam zarurat 15–30 din hai.
- 4 camera, 2MP, 30 din → 2TB hard disk
- 8 camera, 4MP, 30 din → 4TB hard disk
- 16 camera, 4MP, 30 din → 8TB
Surveillance ke liye banayi hui hard disk lagwaiye (jaise WD Purple). Normal computer wali disk 24×7 chalne par jaldi kharab hoti hai.
Wo cheezein jo baad me yaad aati hain
Night vision
Chori raat ko hoti hai. Colour night vision wale camera aajkal thode mehenge hain par raat me chehra rang ke saath dikhta hai — farak bada hota hai.
Mobile par dekhna
Har achha system phone app deta hai. Setup ke waqt hi apne phone par chala kar dekh lijiye, baad me nahi.
Power backup
Bijli jaate hi camera band — to sabse zaroori waqt par hi kuch record nahi hoga. Chhota UPS lagwa lijiye.
Audio
Kuch camera audio record karte hain. Iske apne niyam hain — staff aur customers ko batana hota hai.
Installation me kya poochhna chahiye
- Cable kis quality ka hai? (sasta cable 2 saal me dikkat deta hai)
- Warranty kitne saal, aur kiski — brand ki ya dukaan ki?
- Hard disk alag se hai ya package me?
- Mobile app setup karke denge?
- Kharab hone par kitne din me aate hain?
- DVR/NVR ka password kiske paas rahega?
Aakhri sawal sabse zaroori hai. Password aapke paas hona chahiye.
Brand
Hum CP Plus lagate hain — India me service network sabse achha hai, Patna me bhi parts aur support aasani se mil jata hai. Phir chahe camera kitna bhi achha ho, agar kharab hone par teen hafte lag jayein to koi faayda nahi.
Kharcha ka motamoti andaza
4 camera ka basic setup, installation aur ek hard disk ke saath, aam taur par ₹15,000 se shuru hota hai. Resolution, night vision aur camera ki ginti par ye badhta hai. Site dekhe bina koi pukka rate batana theek nahi hota — isliye hum pehle jagah dekhte hain, phir likhit quotation dete hain.
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