Keen to shed light on the performance of your solar panels? This solar power meter from Megger won't leave you in the dark. It lets you record radiated and transmitted power from your panels. Compact dimensions of 48 (L) x 27 (W) x 134mm (H) mean it's a pocket-sized powerhouse that fits effortlessly into the palm of your hand. You'll find it's a cinch to read results, thanks to its crystal-clear LCD. As the device boasts a 50-hour battery life, it has plenty of juice to get you through many testing jobs.

• Range of 1999W/m² for effective measuring of high-intensity sunlight
• Powers down automatically after 15 minutes of inactivity to conserve battery life
• Supplied with a pouch for convenient storage
• Reliably performs in temperatures between +5°C and +40°C for use in harsh environments

• Solar panels
• Construction sites
• Weather forecasting
• Roofing

Yes, it features a universal camera thread, so you can fix it in place to deliver constant readings from a single location.

Yes, it comes complete with two 1.5V AAA batteries, so you can hit the ground running right away.