Specification: Description:_x000D_For Raspberry Pi is high precision clock module. It can also be used on motherboard. The module itself can be adapted to 3.3 V and 5 V system and no level conversion needed, which is super convenient._x000D__x000D_Features: _x000D__x000D_Two calendar clock. Reset output and input. _x000D_Low power consumption. _x000D_Provide continuous timing battery backup. _x000D_The device is compatible with encapsulation and function. _x000D_Complete the clock calendar function including the second, minute, time, week, date, month, and year, and provide the valid until 2100 leap year. _x000D__x000D_Specification:_x000D_Color: As the pictures show_x000D_Temperature Range: -40 to +85_x000D_Timing accuracy is maintained: 5ppm ( 0.432 sec/day)_x000D_Output Frequency: 1Hz and 32.768kHz _x000D_Supply Voltage: +2.3V to +5.5V_x000D_Digital Temperature Sensor Accuracy: 3 C_x000D_Size: 1.4 x 1.3 x 1.3cm / 0.55 x 0.51 x 0.51inch_x000D_Package Weight: 3g_x000D_Quantity: 1pc_x000D__x000D_Package included:_x000D_1 x Clock Module For Raspberry Pi_x000D__x000D_Note:_x000D_1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding._x000D_2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Features: 1Two calendar clock. Reset output and input. 2Low power consumption. 3Provide continuous timing battery backup. 4The device compatible with encapsulation and function. 5Complete the clock calendar function including the second, minute, time, week, date, month, and year, and provide the valid until 2100 leap year. PackageList: