Surveillance is the systemic observation of places, activities, or people for the purpose of influencing, managing, directing, or protecting them by visual, electronic or photographic means. This can include observation from a distance by means of electronic equipment. Crystalhills Group provides this electronic equipment in form of CCTV cameras or IP cameras.


Indoor cameras are specifically designed for conditions within a building as they cannot withstand the conditions outside a building. This camera is made especially to suit conditions within a building as it cannot withstand conditions outside.It can transmit data via a computer network and the internet. You can now monitor what your nanny is doing when you are not there. The camera does not require the camera to be preset, this device can supports 12 languages, and allows for remote surveillance and recording. it requires a WiFi setting that supports remote multi-devices monitor, The device can be viewed with an Iphone and an android smart phone.Lastly, this device can generate scheduled report and snapshot.


They are suited for unenclosed areas outside a building and are designed to withstand adverse weather conditions, such as heat, rainfall, and are usually waterproof. It is suited for unenclosed areas and is designed to withstand heat, extreme weather conditions and it is waterproof. This camera transmits digital signals, using an Ethernet cable to connect to a power source, it uses wireless internet. Unlike the analog CCTV cameras, this cameras can transmit data via a computer network and the internet. it does not require a camera preset, it supports 12 languages,and can allow the owner to view remotely and record, for this device to work, you need a WiFi connection. This device supports Iphone and Android smart phone cell monitors and has a built-in 16GB TF card, with a maximum of 128GB.


The solar powered camera is a 1Megapixel, 30 LED,15m IR distanced camera,The  Lens of the camera is about 8 mm, and the AP Function which makes it easy to connect wifi. The device automatically detects motion then sends an email to the mobile device connected to it. The device supports Firefox, Safari, Google, IE browser, with a Plug&play function. The device can be viewed on Iphone and android Mobiles, it comes with  Rechargeable batteries (12V 2.4A) that can provide up to two days working power without any solar power. If the temperature of the sunshine keeps higher than 33°C, the battery can work continuously, also the battery can support the device for up to 26hours without sunshine.


An IP camera also known as INTERNET PROTOCOL CAMERA transmit digital signals, uses Ethernet cable to connect to a power source and can be installed as a wireless device (wireless IP camera) or wired device. Unlike the CCTV cameras, IP cameras can transmit data via a computer network and the internet. Our IP cameras are either centralized or decentralized. The centralized IP camera utilizes an NVR (network video recorder) to handle the recording, video and alarm management. Decentralized IP cameras do not require a central NVR, as they have an in-built recording function and can record directly to any standard storage media, such as SD cards, PC or servers. Feeds from an IP camera can be viewed from any computer, anywhere and even on mobile smart phones that have internet access.


CCTV (closed-circuit television) is a TV system in which signals are not publicly distributed but are monitored, primarily for surveillance and security purposes. CCTV relies on strategic placement of cameras, and observation of the camera’s input on monitors somewhere. also known as video surveillance, is the use of video cameras to transmit a signal to a specific place, on a limited set of monitors .It can produce images or recordings for surveillance or other private purposes.  It requires connection to a DVR (digital video recorder) or a monitor by means of a cable. Once an image has been picked by the camera, it is taken to the monitor and then recorded on video tape or DVR. The ability of the camera to zoom in and out is determined by the type of lens it has. it is used in buildings and homes for security purpose.


The wristwatch spy camera  Records HD Full 1080P video, capture high resolution pictures, also support voice recording.IR night vision function, you can record even in dark environment with the built-in night vision light. Motion detection or sound-activated, you will never miss anything if there is a movement or a conversation. Built-in 16GB,Waterproof 3ATM, lets the watch DVR durable and widely can be used in different  weathers, environment, and places. HD PC webcam function, use for popular video chat programs
Specification:Video Form:AVI, Video Coding:M-JPEG, Video Frame rate:30 fps, Video Resolution:1920*1080, Picture Form:JPG, Image Ratio:4:3, Picture Resolution: 4032*3024m, Memory: Built-in 16GB (8GB is optional), VOL:DC-5V, Interface-type:Mini 4 pin USB, Battery: High-capacity polymer lithium battery, Player Software:Operating systems or mainstream movie playback software, Support System:Windows me/2000/xp/2003/vista;Mac os 10.4;Linux


Also known as hidden cameras, is used to record and monitor people without their knowledge, as the camera is not visible to the people under surveillance. It is usually designed as objects other than a camera such as, pens, smoke detectors, clock, radios, mobile phones, buttons or television sets.

Crystalhills surveillance cameras are a great way to provide security for your home or workplace. As well as providing you with video footage of any event which may transpire in the locations where they are placed, you can view from where ever you are so far you are connected to the internet. they additionally act as a visible deterrent to malefactors. At crystalhills Software Limited, we can install anywhere in Nigeria.


The SD spy cam offers free CMS with Support Web setting, it work with a real-time video transmission and supports motion detection for front end shortage,Capture,playback or download, The SD spy cam supports Central remind and image linkage after motion detection and IO alarm linkage. its supports the  MJPEG capture, and performs with unit client-side remote management software. It can be used in these places: financial institutions, supermarket, telecommunications company, government, schools, airports, factories, hotels, museums and other places.



39 Isheri Road Oak Plaza, Ogba-Aguda, lagos. Nigeria.


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