Power System Solutions

Inverter / UPS /Batteries/Industrial Stabilizers

We understand how critical power is to business generally and we work In conjunction with international award winning Power solution manufacturers to provide organizations a cost-saving, highly functional and durable UPS and Inverter power backup for their ATM machines, Data centers, Telecom facilities, Medical equipment, Local area Networks, Servers and branches respectively.

We also supply and install industrial Automatic Voltage Regulator (Stabilizer) and we have successfully deployed our high end power solutions to various organizations.

Enterprise Security Solutions

Rainbow Optimum Technologies presents its security solutions to help our customers prevent data theft, and maintain enterprise’s wide and physical, software and data usage monitoring through vulnerable endpoints. Our Security solutions are specifically designed to provide worry-free and quality solutions for physical access control, data protection, internet security and parental control. 


Enterprise IT Security 

we design and implement Enterprise Security Infrastructure for both small, medium and large scale enterprise organizations to protect their critical assets.

Physical Security Solutions

We provide coporate bodies and individuals with technical  expertise ranging from  technical advice, Design, Development , maintenance and installation of IP Surveillance System.

I.C.T Procurement and Supply services  

We are authorized re-seller/distributor to top OEMs. We supply all kinds of I.T hardware and Stationeries to customers at a very affordable price with attention to OEM Warranty.  Our product includes telecommunication equipments (Modems, routers, Switches, IP Phones, etc.), Computers and its accessories, Servers, Racks, Projectors, Electronic boards, printers, A4 papers, envelop, Toners etc. 

We now have a wide range of solutions to help businesses from front to back office, we take a pragmatic approach to technology, harnessing it for the benefit it brings to our customers. As a result we offer a choice of flexible, scalable, integrated solutions to customers who can choose Rainbow Optimum Technologies to handle just one aspect of their business software needs, or all of them and our extensive range of solutions makes it easier for our customers to manage their business processes.

Overall Reviews Summary

Rated 5 out of 5
5 out of 5 stars (based on 26 reviews)
Very good4%

Our Product & Services Reviews

good design

Rated 5 out of 5

thank you good design

Great innovation

Rated 5 out of 5

I really love the products. Recommended for everyone.

Jaime ce lunette

Rated 5 out of 5

J’aime ce lunette

Makes life better and easier

Rated 5 out of 5

Apart from the fact that it’s safer in terms of security, the quality of services it gives are numerous, it’s also affordable and durable.

Gives a new look to driving

Rated 5 out of 5

I called it special because it gives me reasons to start seeing things differently, i don’t have to struggle with so many things again. I now enjoy driving, no more fear of missing important calls when I’m driving, more so, I feel saver using Roptimum Bluetooth Sunglasses. Roptimum Bluetooth Sunglasses it’s currently the best, with it, we can rule our world.

Very good and affordable

Rated 5 out of 5

Wow! I love Roptimum Bluetooth Glasses/Sunglasses. I can make and received calls, play music, camera and video record while connected to my phone bluetooth. It is very good and affordable.

Best price found for the sunglasses

Rated 5 out of 5

Best price found for the sunglasses pair I was looking for. Delivery was much faster than expected, 3 days from the day I ordered them. Very happy with the service. Definitely I do recommend Roptimum Sunglasses

Excellent product and service

Rated 5 out of 5

Excellent, prompt service. Product was well priced and high quality. Highly recommended.

Prompt and Perfect

Rated 5 out of 5

The email I sent to you was promptly felt with. My question was answered plus additional information was included.
My parcel arrived within two days of ordering. In perfect condition.
I will definitely deal with you again.
Many thanks

Fantastic price

Rated 5 out of 5

Fantastic price, easy transaction and very quick deliveey. Really impressed, will recommend to friends

Great smooth experience very happy with…

Rated 5 out of 5

Great smooth experience very happy with my purchase

Prompt Delivery

Rated 5 out of 5

Great glasses great service,arrived next day.

Great quality

Rated 5 out of 5

Roptimum is a great quality Sunglasses

Excellent price

Rated 5 out of 5

Excellent price, fast delivery, cannot fault service

Had an issue with delivery but the…

Rated 4 out of 5

Had an issue with delivery but the process was easy and sorted quickly. Really good prices & quick responses

Simply the best

Rated 5 out of 5

Fantastic choice of sunglasses at amazing price. Range and quality of products all you need in one place, and with a first class service provided why bother looking elsewhere.

Great company and next day delivery

Rated 5 out of 5

This is my 2nd purchase from the Roptimum and I cannot fault there service,
I received my item which was well packaged and in excellent condition the next day as advertised. The glasses were exactly as advertised.

Amazing glasses exactly what they said

Rated 5 out of 5

Amazing glasses exactly what they said they were and amazing service.

Roptimum is All good

Rated 5 out of 5

All good! Good value and delivered quickly !


Rated 5 out of 5

I’ve never heard of bluetooth sunglasses until I saw Roptimum Bluetooth Sunglasses on Instagram…….I love it and I ordered 10 more for my friends and family. Love the fact that, I don’t have to hold my phone while driving.

Great service & product

Rated 5 out of 5

Great service & product
Great service & product. Customer service also very helpful. Would certainly buy from Roptimum again

I love Roptimum Sunglasses with prompt delivery

Rated 5 out of 5

Oh if only all online shopping could be like this!
My sunglasses arrived swiftly, on time and well packaged. I am very happy with Roptimum!

Excellent Services

Rated 5 out of 5

Excellent Services
Order was placed, as a Christmas gift, with the sunglasses being received within a few days. Excellent products and services.

A gadget you can trust

Rated 5 out of 5

Excellent product and delivery. I am so happy with my order

Classic Roptimum Bluetooth Sunglasses

Rated 5 out of 5

I’ve never been this enthusiastic about any Gadget! ROPTIMUM Bluetooth Sunglasses is surprisingly good and it’s very easy to use for both media and calling.

Roptimum Bluetooth Sunglasses

Rated 5 out of 5

I bought Roptimum Bluetooth Sunglasses back in November and I am having so much fun with it, plus it does get the job done. Very fun and easy to use for all my phone calls and music playing on the go.