Final idea:

Material:
Carton board
Transparent black plastic sheet
White and Black paint
LED light strip
- Outer diameter: 44.5mm / 1.8″;
- Inner diameter: 31.7mm / 1.2″
(Lamp strip to be used:https://www.adafruit.com/product/1463)
Wire
battery box
Complete suit
Production progress:
1.Cut the side of the monitoring head out of the cardboard

2.Make bottom surface


3.Make the side facing forward


4.Make the slot for the head


5.Making the top cover

6.Raise the interior of the top cover+Fixed top cover


7.try on

LED design scheme
LED light circle emits red light and then white light-Simulate the lighting effect monitored by surveillance cameras

Tinkercad link:
https://www.tinkercad.com/things/2LNKiK57oPS?sharecode=KtO6puliJ8ZjsL72h6gmWmYd2NwGsdVDVRzPIZPjFts



Effect demonstration