ALANKO Electronic Bird Scare Cannon protects your plantations, your fruit and vegetable gardens from unwanted birds and wild animals in an environmentally friendly way without giving any harm to the nature and helps you to gather a bumper crop. It works with a propane tank up to 20 bars Low gas consumption â?? 20 lb. propane tank delivers approximately 17,000 explosions Works with a 12V battery (the battery and the charger are included) The battery life is between 30 to 45 days after the first charging according to the explosion interval selected. There are single or double explosion options with five different explosion intervals (2-5-10-15-30 minutes or random). It produces a sound of 120 db. It can be adjusted to operate only during the day, only at night or 24 hours uninterruptedly. It runs problem-free in bad weather conditions. The plastic parts are resistant to ultraviolet rays and the metal parts are galvanized. The easy to install and easy to use.