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HELLO. MY NAME IS WATTSON.
I SHOW YOU HOW MUCH ELECTRICITY YOUR HOME IS USING.
I MAKE ENERGY SAVING EASIER.
AND I'M GORGEOUS.
I DISPLAY USAGE IN RANDS, WATTS AND INTELLIGENT COLOURS.

I’m the award-winning way to help you save money and do some good for the environment. With my friend holmes, I help you cut energy use and reduce your electricity bill by up to 25%.
Find out how easy I am to buy, set up and use. You’ll also see what they’re saying about me in the news. Eventually, you can be part of a community of wattson owners who share and compare the data I collect about your electricity use. You’ll soon be swapping ideas on how to save even more energy – and money.
LOOK AT MY BENEFITS.
- I can save you up to 25% on your electricity bill.
- I display usage in Rands, Watts and intelligent colours.
- I communicates information via funky ambient colours indicating whether usage is average, below or above average.
- I’m portable and wireless, so you can use me anywhere in your home.
- I get my information from a transmitter attached to your electricity meter or fuse box.
- I give real-time feedback whenever an appliance switchess on or off.
- My cool, contemporary design looks great whether you live in a palace or a pad.
- My receiver comes with a PSU and has an onboard rechargeable battery.
- I store up to 28 days of electricity use information in my internal memory.
- With my software friend holmes, I give you easy access to daily, weekly and monthly views of your home’s energy use.
- I enable you to upload, share and compare your data with others in an online community.
- I can show you how much energy you’re generating.
- I’m quick and easy to install.
- I use just 5 watts on average, which drops to under a watt in low power mode.
- I’m good for the environment.
- I’m completely recyclable – not that you’ll want to be without me.
- My packaging is made from lightweight recycled card and uses inks with minimal environmental impact.
- I’m compatible with single and three phase systems, allowing me to be used in larger houses and small businesses.
- I can measure microgenerated electricity supplies such as solar cells or wind turbines.
- It’s simple to fit an extra sensor so I can measure your home’s electricity generation.
HOW WATTSON WORKS.

The way I work is really quite simple. When you buy me , you’ll also get a sensor clip and a transmitter. The sensor clip attaches to either of the mains electricity cables leading from your home’s meter box to your fuse box. It’s easy to do, though if you’re in any doubt, ask the advice of a qualified electrician or contact Wattson's helpdesk.

The sensor clip and transmitter measure the electricity coming into your home, and on my display, I show you in watts or in cost how much electricity your home is using at any moment.
On my underside are coloured lights which also show how much energy you’re using. When my lights glow blue, you’re using less electricity than normal. When there’s a purple glow, you’re using the average for your home. And when they’re red, you’re using more electricity than usual.
TECHNICAL SPECIFICATION.
- Able to measure single, twin and three phase systems (extra clips required).
- 12.5KW max per phase, 37.5kW for 3-phase installation.
- 1W resolution of display.
- 14 – segment LED digital display.
- RGB LED full colour ambient light. · 256kb non-volatile EEPROM internal memory
- 433.92Mhz transmitter / receiver, approx. 30m range.
- Max radiated power 2.26mW
- 3 – 20 second refresh rate, user changeable.
- 3 – 6 month battery life (Sensor).
- 5-3 hour battery life (Display).
- USB 1.0 compatible.
- USB-A to USB mini-A cable supplied.
- Currency changeable: R. $, €, £, P, k, F.
- Casings made from Polycarbonate, Polyvinyl and ABS.
- Display: 105mm X 170mm x 55mm.
- Transmitter: 110mm x 84 mm x 26 mm.
- Software Mac & PC compatible.
- Packaged weight 1kg.

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