All this and more are explicitly mentioned and explained in the instruction booklet. Buddy-bar Testing Report

I bought the Buddy but the top part that fits under the door handle is wobbly. Does anyone know if this is normal? After going for sturdiness, affordable pricing, beauty, best materials, brands, and many more selection variables, we emerged with the above godsend list. You now have completed the first of three steps to making your house more secure. Now, get to the shop and buy one then move home and install it and you shall be done with robbery. The substantial rubber floor pad of the BuddyBar Door Jammer grips very well. Even on shiny smooth surfaces, hardwood floors, tile, and carpets too.You could use it on your house door or you could carry it with you to the hotel you would be staying in. The ‘wedge’ that fits underneath the doorknob has about 1/2 inch of spring to it – which allows some ‘give’ while you wedge it under the knob. Makes it easier to set it. My daughter just bought a house. Three doors. I bought her three Buddy bars. A little pricey compared to the imitators, but what is your safety worth? This is a dual functional bar in the grounds of the Riu Palace Santa Maria where we stayed from 11th to 25th July.

They are well made, heavy gauge steel and work on the principle of a wedge. The harder you push, the more resistant the wedge becomes. Rubber padding glued on the bottom of the foot; the pivoting ball at end of tube that inserts into foot has been known to pop out. This product has great force withstanding capacity. But at the end of the day, it is a mechanical product which would sound an alarm anywhere if it is compromised if you are away. Bottom Line. I think the door hinges would break before the Buddy Bar gave way. That said, short of an intruder having a police-type battering ram, they will give you time to either arm yourself (if you are smart enough to keep a firearm in reach), get to a “safe room” and/or dial 911. Great little find .very cozy bar lots of people in side and out good atmosphere with locals and tourist.Living a Practical Sensible Preparedness oriented Lifestyle - coupled with a spirit of Self Reliance, an extent of Sustainable Living - while in the pursuit of Knowledge, Life, Liberty, and Happiness.