Description: CONVENIENT CALL MANAGEMENT: The phone lock box features a T-shaped opening design that allows for easy call answering without sacrificing security or focus while engaging in important activities. PORTABLE AND PRACTICAL: Designed for users on the move, this compact phone lockbox encourages responsible habits among children, students, and adults. REAL-TIME LCD DISPLAY: The large LCD screen provides real-time information on the exact time and battery level for added convenience and better monitoring. UNIVERSAL COMPATIBILITY: With dimensions of 21.5x9.4x2.3cm, this cellphone self-regulation box is compatible with a wide range of smartphones, ensuring versatility and ease of use across various devices. ENHANCES SELF-DISCIPLINE: Utilize the cellphone box to cultivate self-discipline during crucial times such as exam preparation, studying, or working, effectively minimizing distractions and increasing work efficiency. Name: Timing cell phone lock box Battery capacity: 350mAh Inner diameter: 170 x 90mm Outer diameter: 215 x 94mm Features: with LCD display, self-discipline tool Material: Plastic Colour: Black Package Contents: 1 x Mobile phone self-discipline box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. The allowed measurement error is +/- 1-3cm.