Features: LED time display, there are two optional display modes: DP-1/DP-2. This is a clock that adjusts the brightness and can be set multiple alarms. The luminosity (L0~L3) is selected in four kinds, and the brightness is adjusted to protect the eyes. Date display: 2000.1.1~2099.12.31; 4-digit time display: hour, minute. Three sets of alarm clocks AL1, AL2 and AL3 can be set. 4 function buttons: RESET, SET, UP (+), DOWN (-). The operation is simple, convenient and practical. Specification: Material: ABS Color: White, Blue (optional) Two Optional Display Modes: DP-1/DP-2 Button Battery: CR2025 (not included) Battery: 3 x AAA batteries (not included) Product Size: Approx. 7.7x7.5x3.8cm / 3.0x3.0x1.5inch Applicable Scene: When sleeping Package List: 1 x Alarm Clock 1 x Instruction Manual 1 x Charging Cable 1、LED time display, there are two optional display modes: DP-1/DP-2. 2、This is a clock that adjusts the brightness and can be set multiple alarms. Three sets of alarm clocks AL1, AL2 and AL3 can be set. 3、The luminosity (L0~L3) is selected in four kinds, and the brightness is adjusted to protect the eyes. 4、Date display: 2000.1.1~2099.12.31; 4-digit time display: hour, minute. 5、4 function buttons: RESET, SET, UP (+), DOWN (-). The operation is simple, convenient and practical.