Item Type: Egg Tester_x000D_ Material: Plastic_x000D_ Battery: 3 AA (not included)_x000D_ Voltage: 100-240V_x000D_ Color: As Pictures Shown_x000D_ Weight: Approx. 213g / 7.5oz_x000D_ The Total Length of Egg Tester: Approx. 15cm / 5.9in 1Cool LED Light: Irradiation with cold light will not damage embryo development and better protect the hatching life of eggs. 2High Power LED Lamp Beads: Egg candler is equipped with high power LED lamp beads, no heat, sufficient light, and durable. 3Monitor Egg Development: High intensity lights are widely used to monitor egg development and work better in the dark. 4Different Size Shades: Shades of different sizes can display different types of eggs, which you can change at will to meet your needs. 5Plastic Materials: The egg tester is made of plastic materials, durable, wear resistant, and can be used for a long time. 1 x Power Plug 1 x Battery Box 1 xEgg Tester 1 x Bird Egg Tester Cap 1 x Chicken Egg Tester Cap