Power type battery Housing material plastic Mirror material quartz glass Dial material plastic Package size 13*9*6 CM Colour green SpaceBedroom,Study Product name: Stereo ringing clock Product material: metal + plastic + electronic components Product features: silent with light, ringing sound Product Remarks: Day difference about 2 seconds (at room temperature); Working voltage: 1.3V~1.5V Working temperature: -10~50 (indoor); Using battery: No.5*1PC (carbon) battery (self-provided) Product Description: Creativity changes life, bringing creative fashion elements into thousands of homes. Life also needs to be reminded, creative round digital small alarm clock, ringing loud and clear, want to sleep can not be Oh ~ ~ ~ ~ simple round alarm clock can be safely placed on the bedside table and other platforms Loud ringing and quiet second hand ideal for heavy sleepers Quiet and noiseless to ensure a good night's sleep and optimal working environment