According to page 24 of the model MW888B owner's manual, it is 800w.
1450w
The wattage output of the Frigidaire FMV157GS 0.5 CuFt Over-The-Range Microwave Oven is 1,000 watts.
Well, honey, grab that manual that came with your Emerson microwave and flip to the registration page. Fill out the information they ask for, like your name, address, and serial number, then either mail it in or register online if they have that option. Easy peasy lemon squeezy!
The GE Spacemaker II JEM25DMBB 1.0 CuFt Countertop Microwave Oven has a 800 wattage of cooking power.
See chart on this website http://www.microwavecookingforone.com/Charts/Wattage.html
The wattage of the GE Profile Spacemaker PNM1871SMSS 1.8 CuFt Over-The-Range Microwave Oven is 1100 watts.
The standard microwave wattage typically found in most kitchen appliances is around 800 to 1200 watts.
600 Watts
600W
According to this page on Amazon, it's 750 watts. http://www.amazon.co.uk/Sharp-R3A53-Microwave/dp/B000178YQY
The Emerson microwave model MT3070A typically has a power output of 700 watts.
To determine the wattage of a microwave, look for a label or sticker on the back or inside the microwave's door. The wattage is usually mentioned in terms of "W" or "Watts" and may range from 600W to 1500W or more.