Item Type: Digital Kitchen Timer Model: TS-5502 Material: Plastic Colour: Black Plastic Case Power Supply: DC 5V or 2 AAA Batteries (Not Included) Countdown Setting: Maximum 999 Days 23: 59: 59 Memory Power Supply: A Button Battery CR2032 Battery Capacity: 200mAh (Built in) Package List 1 x Calculator 1 x Power Line 1 x User Manual 1Wall Mounted Design: The electronic timer is designed with a wall mounted and a magnet at the back, so which can be easily attached to metal or placed on a table. 2Countdown Preset: With 3 sets of preset countdown electronic timers, the preset time can be adjusted according to different needs. 3LED Screen: The LED screen has an adjustable 7 colour backlight, the default is blue, and the color sequence is blue, green, yellow, red, orange, purple, and white. 4Application: This electronic timer is widely used in kitchens, nurseries, bedrooms, homes, nurseries, basements, warehouses and greenhouses. 5Usage Scenarios: The timer is used for kitchen cooking, farm hatching, work and study, sports, meditation, reading, important holiday reminders, breeding and wine making.