pre-embedded box for dark-mounted indicator lights is an essential accessory for emergency lighting systems. It allows for the discreet installation of indicator lights, ensuring they remain hidden until needed. This box is compatible with various LED light fixtures, including recessed lights and ceiling lights, making it a versatile and reliable choice for emergency lighting setups. Features -Color:White -Material:Plastic -Size:34.50X16.00X4.00cm/13.56X6.29X1.57in - material: made from durable plastic, this embedded sign light base box is designed to be waterproof and withstand longterm use in various conditions -Bright led indication: equipped with highbrightness led lights, it provides clear and bright indications of landmark positions, enhancing safety and visibility -Quick installation: embedded box design simplifies the installation process, making it quick and easy, saving both time and labor costs -Emergency light feature: comes with an emergency light function that activates during critical situations, providing necessary illumination for safety -Tested quality: this product has passed stringent tests and certifications, ensuring reliable performance and stability in diverse environments Package list: 1pcs x light bottom box