1,LONG PLAYTIME: It can record sound or voice messages for up to 4 minutes, allowing for meaningful and unique expressions tailored to the recipient. 2,LIGHT SENSOR: With a light sensitive activation button, it plays your recorded sound or message in a continuous loop as soon as the box is opened, creating an engaging surprise. 3,MULTI SCENARIO USAGE: This module is suitable for various occasions, including greeting cards, crafts, and toy boxes, making every present memorable and special. 4,CLEAR AND DYNAMIC SOUND: Powered by 3 LR44 coin cell batteries, the module delivers clear and vibrant sound quality, ensuring that your messages are heard loud and clear. 5,EASY ASSEMBLY: It is welded intact. Users can use it as soon as they receive it, which is convenient and efficient. And it supports repeat recording function. Item Type: Greeting card module Material: PCB Recording Time: 4 minutes Battery Type: 3 x LR44 coin cell batteries Each Battery Capacity: 140mAh (included) Playback Mode: Repeated playback Speaker Diameter: 40mm or 1.57in Speaker Thickness: 5mm or 0.2in Button Line Length: 5cm or 2in Recording and Playback: Press and hold the recording button. When you hear a "beep" sound, speak into the microphone to start recording. Release the recording button to play back the current recording. Light sensitive resistor will trigger repeated playback of the recorded sound in the presence of light. 1 x Greeting Card Module Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store