# ​CCTV Tool: Technician > CCTV toolkit: Storage calculator, IP network test & fast PDF quotation maker. Canonical page: [https://chrome-stats.com/d/com.nymdev.dinhhieucctv](https://chrome-stats.com/d/com.nymdev.dinhhieucctv) ## Overview - **ID:** `com.nymdev.dinhhieucctv` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** NymDev - **Category:** TOOLS - **Downloads:** 225 - **Version:** 1.36.260509 - **Last updated:** 2026-09-05 - **First published:** 2026-07-29 - **Publisher country:** VN - **Size:** 10 MB - **Data as of:** 2026-09-11 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.nymdev.dinhhieucctv) - **Website:** [https://nymbook.github.io](https://nymbook.github.io/) - **Privacy policy:** [https://nymbook.github.io/privacy-policy](https://nymbook.github.io/privacy-policy) ## Description ​CCTV Tool: Installer Pro is a professional, all-in-one digital toolkit designed specifically for CCTV technicians, network installers, and security system managers.
​The app integrates a comprehensive technical handbook, precise storage calculators, advanced IP network diagnostics, an AI-powered troubleshooting assistant, and a fast, professional PDF quotation maker right on your mobile device.
​KEY FEATURES:
​1. CCTV TECHNICAL HANDBOOK & QUICK LOOKUP
​Error Code & Beep Code Finder: Quickly look up error codes and warning buzzer patterns for popular DVR/NVR and camera brands (Hikvision, Dahua, KBVision, Imou, Ezviz, Uniview, etc.).
​Password Reset Guides: Step-by-step instructions for default account recovery and password resets safely.
​Network Wiring Guides: Detailed diagrams for RJ45 color codes (T568A, T568B, Crossover) and PoE (Power over Ethernet) pinouts.
​Project Profile Vault: Securely store and manage technical parameters (IP addresses, ports, accounts, and credentials) organized by project.
​2. STORAGE & BANDWIDTH CALCULATORS
​HDD Storage Calculator: Accurately estimate required hard drive capacity based on camera count, video compression formats (H.264, H.265, H.265+), resolutions (2MP, 4MP, 4K/8MP), and target recording days.
​Bandwidth Calculator: Calculate network throughput requirements for IP camera systems to select the right internet plans and network switches.
​3. ADVANCED IP & NETWORK DIAGNOSTIC TOOLS
​Ping IP: Measure latency and verify real-time connectivity for cameras, NVRs, and gateways.
​Port Checker: Quickly verify open/closed status for essential CCTV service ports (Port 80, 554, 8000, 37777, etc.).
​RTSP Stream Player: Test live RTSP video feeds directly on your phone to verify camera viewing angles, focus, and stream stability.
​Cisco CLI Quick Reference: Essential command handbook for Cisco Switch/Router configuration (VLAN, Trunking, Port Security, IP routing).
​IP Subnet Calculator: Easily calculate IP ranges, subnet masks, CIDR, and broadcast addresses for local networks.
​4. INSTANT PDF QUOTATION & ACCEPTANCE REPORT CREATOR
​Fast Estimating: Create professional CCTV and network installation quotes in under 2 minutes with preset packages or custom item lists.
​Automated Calculations: Instant subtotals, custom discounts, and VAT tax calculations.
​In-App PDF Preview: Review your quotation layout directly in the app before exporting.
​Professional PDF Export: Generate branded, detailed quotation PDFs ready to send to clients via Email, WhatsApp, or messaging apps.
​Handover & Acceptance Reports: Export standardized handover documents with built-in inspection checklists and warranty commitments.
​5. AI-POWERED TECHNICAL ASSISTANT
​Smart CCTV Troubleshooting: Describe camera issues (video loss, flickering, remote viewing offline, IR night-vision failure) to receive instant, step-by-step troubleshooting solutions powered by AI.
​6. DUAL MODES: TECHNICIAN & CUSTOMER
​Pro Mode (Technicians): Unlock the full suite of advanced tools, diagnostic utilities, and project management.
​Customer Mode (End-users): A simplified interface for clients to troubleshoot minor home issues, check warranty information, and request technical support directly.
​Download CCTV Tool today to streamline your workflow, calculate accurately, and deliver professional project quotations anywhere, anytime! ## Rankings - #1,665,247 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_COARSE_LOCATION` - `android.permission.ACCESS_FINE_LOCATION` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.ACCESS_WIFI_STATE` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.NEARBY_WIFI_DEVICES` - `android.permission.POST_NOTIFICATIONS` - `android.permission.READ_BASIC_PHONE_STATE` - `android.permission.WAKE_LOCK` - `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE` - `com.google.android.gms.permission.AD_ID` - `com.nymdev.dinhhieucctv.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [CCTV Calculator Pro](https://chrome-stats.com/d/com.jirocodev.cctvcalculatorpro) — 68 users - [CCTV Helper AI Tools](https://chrome-stats.com/d/a1systems.khallaf.cctv) — 505 users - [CCTV Storage Calculator & Tool](https://chrome-stats.com/d/com.yec.cctvstoragecalculator) — 1,900 users - [CCTV Super Tool: IP Camerea](https://chrome-stats.com/d/com.cctvwiki.cctvsupertool) — 35,956 users, 4.00 / 5 - [CCTV Calculator and Tools](https://chrome-stats.com/d/com.kareller.cctvcalculator) — 59,321 users, 3.29 / 5 - [ZahabCCTV PRO](https://chrome-stats.com/d/com.zahab.cctv) — 24 users - [CCTV Camera Pros](https://chrome-stats.com/d/com.appburst.cctvcamerapros) — 1,580,992 users, 3.47 / 5 - [Smart Station Pro](https://chrome-stats.com/d/krd.smartstation.apppro) — 70 users - [CCTV Guide / Calculator](https://chrome-stats.com/d/com.electromission.cctvx) — 28,129 users - [CableForge: Low Voltage Tools](https://chrome-stats.com/d/com.tapforgestudios.cableforge) — 10 users - [CCTV guide & Lens Calc pro](https://chrome-stats.com/d/com.electromission.procctv) — 90 users - [EASY CCTV DEALER APP](https://chrome-stats.com/d/city.karad.easycctvdealer) — 86 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.nymdev.dinhhieucctv)