No, the Havahart Spray Away operates using 4 AA batteries (not included), and average battery life is 1 year.
Havahart Spray Away 2.0 Motion Activated Sprinkler Animal Repellent will work at night. You calibrate it according to what you are repelling and that animal is what triggers it to go off.
The Havahart Spray Away 2.0 Motion Activated Sprinkler Animal Repellent is made in China.
The Havahart Spray Away 2.0 Motion Activated Sprinkler Animal Repellent uses water pressure so it must be connected to a hose to function.
The shocking noise is the sound that the water makes when it comes out of the Havahart Spray Away 2.0 Motion Activated Sprinkler. There is not an additional sound besides that. Here is a consumer video where you can hear the sound: https://www.youtube.com/watch?v=TL1gfsa9mxo