Safety when fixing household objects, especially those that require electricity to run, is a high priority. The quick passage of electric current as you fiddle with the screws on the lampshade leave a numb feeling in your fingers all day long. But, with this home improvement product, you no longer need to worry about that.The Stanley Digital Tester (yellow and Black) is your saviour in such a case. You can now use the screwdriver end to tighten all the loose nuts and bolts around the house, even for that nasty shock producing night lamp and walk away without getting hurt. This tester is designed to be able to read between 12 and 220 volts for both AC and DC live objects. Once you know that the object is still live, you can take the necessary precautions in fixing it and also keep your children away from it until it has been fixed. Once the tester has been used in a live situation, the LCD display will warn you about the situation. This product is also extremely economical as it dispenses with battery. This smooth and sleek looking device is very easy to store and is extremely light, so you need not worry about excess space being taken up by it. While this device looks small, it has a great capacity of rapid induction voltage testing, making it a necessity in your household. The screwdriver itself is very durable and will not rust or break, making this a multi-function device that will protect your family and keep your things from falling off because of loose screws.