Electric shock could result.2. Do not dismantle or alter the unit. Fire or electric shock could result.3. Do not connect any non-specified power source to the +, - terminals, and do not install two power supplies in parallel to a single input.
At low levels, hydrogen sulfide gas has a strong odor similar to rotten eggs. You can smell hydrogen sulfide gas at lower levels than may cause health effects, so smelling the gas does not always mean that it will make you sick. However, at higher levels, your nose can become overwhelmed by the gas and you cannot smell it. At higher levels, hydrogen sulfide gas can make you sick and could be fatal. Hydrogen sulfide gas occurs naturally in crude petroleum, natural gas, volcanic gases and hot springs. It can also result from bacterial breakdown of organic matter and be produced by human and animal wastes.
Carbon monoxide poisoning happens when you breathe too much carbon monoxide. Carbon monoxide is a gas produced by burning any type of fuel-gas,oil,kerosene,wood,or charcoal. What makes this gas so dangerous is that when you breathe it,it replaces the oxygen in your blood.