Here are two lists categorizing the products offered by Gupta Enterprises:

 List 1: Product Categories –

1. CCTV Camera Systems
– Types: HD, IP, WI-FI, Wireless, DVR, NVR
– Brands: Hikvision, CP Plus, Dahua, Honeywell, TP-Link, Uniview, Prama

2. Attendance, Biometric & Access Control Systems
– Brands: Realtime, eSSL, Hikvision, CP Plus, Secure Eye

3. Networking Products
– Items: Switches, PoE, SMPS, Connectors, Cables
– Brands: D-Link, TP-Link, ERD, CP Plus, Hikvision, Secure Eye, Secure Net

4. Door Locks
– Types: Electronic, Magnetic, Smart Door Locks
– Brands: ERD, HawkVision, Secure Eye, Qubo, SecureEye

5. Video Door Phone Systems
– Brands: Hikvision, CP Plus, Godrej, Panasonic, Secure Eye

6. LED & Monitors
– Brands: LG, Samsung, Intex, Geonix, Zebronics

7. CCTV Camera Accessories
– Brands: D-Link, Marx, Honeywell, ERD, Secure Net

8. Fire Alarm System
– Brand: Agni

9. EPABX (Telecommunication Systems)
– Brands: CCL, Beetle, Panasonic

10. HDD, SSD
– Brands: Seagate, WD, Consistent, Geonix

11. Interactive Flat Panel Displays
– Brands: MAXHUB, LG, AERO, BenQ, Evota, Dahua Trueview

12. OPS (Branded & Assembled)

13. Laptop & Desktop
– Brands: Dell, HP, Lenovo

14. Projectors
– Brands: Epson, BenQ

15. Printers
– Brands: HP, Epson, Brother, Canon

16. Video Conferencing Systems
– Brand: Logitech

 List 2: Product Types and Specific Brands

1. Surveillance Systems
– CCTV Camera Systems: Hikvision, CP Plus, Dahua, Honeywell, TP-Link, Uniview, Prama
– Accessories: D-Link, Marx, Honeywell, ERD, Secure Net

2. Access Control
– Attendance & Biometric Systems: Realtime, eSSL, Hikvision, CP Plus, Secure Eye
– Door Locks: ERD, HawkVision, Secure Eye, Qubo, SecureEye

3. Networking Solutions
– Switches, PoE, SMPS, Connectors, Cables: D-Link, TP-Link, ERD, CP Plus, Hikvision, Secure Eye, Secure Net

4. Communication Devices
– EPABX: CCL, Beetle, Panasonic
– Video Door Phone Systems: Hikvision, CP Plus, Godrej, Panasonic, Secure Eye

5. Display and Visual Solutions
– LED & Monitors: LG, Samsung, Intex, Geonix, Zebronics
– Interactive Flat Panel Displays: MAXHUB, LG, AERO, BenQ, Evota, Dahua Trueview
– Projectors: Epson, BenQ

6. Storage Solutions
– HDD, SSD: Seagate, WD, Consistent, Geonix

7. Computing Devices
– Laptops & Desktops: Dell, HP, Lenovo

8. Office Equipment
– Printers: HP, Epson, Brother, Canon
– Video Conferencing Systems: Logitech

9. Safety and Security
– Fire Alarm System: Agni