Bookmark Ruler

https://s3-ap-northeast-1.amazonaws.com/zeczec-prod/asset_327980_image_big.jpg?1623918035 https://s3-ap-northeast-1.amazonaws.com/zeczec-prod/asset_327396_image_big.jpg?1623831668 https://s3-ap-northeast-1.amazonaws.com/zeczec-prod/asset_333827_image_big.jpeg?1624938315 Scream for help when in danger! But... when faced with real danger, most people can't shout out! BUZZER B is your best helper, calling for help with 120 high-decibel popping sounds for children, frightening bad people, and attracting the attention and assistance of others. ◆ High-decibel alarm sound https://s3-ap-northeast-1.amazonaws.com/zeczec-prod/asset_327452_image_big.gif?1623835429 How to use: Pull down the main body of the siren to immediately emit a 120 high-decibel alarm sound, and press the latch back to cancel the alarm. "Attention" This function is for help at critical moments, and it is strictly forbidden to play with it. ◆ SOS call for help In case of earthquakes, fires, elevator traps, use the BUZZER B multi-function siren and the SOS continuous distress sound function to help rescue team members hear the SOS distress audio, greatly improving the direction and efficiency of search and rescue! This function is designed to grasp the golden rescue time and can send out distress audio for up to 72 hours continuously! https://s3-ap-northeast-1.amazonaws.com/zeczec-prod/asset_327704_image_big.gif?1623895173 How to use: Long press the red button on the back for 1.5 seconds to activate the 72-hour SOS continuous distress sound function. Two white LED lights flash synchronously, and a SOS international Morse code distress sound is emitted, and the alarm can be cancelled by pressing it again. ◆ Continuous sound for more than 72 hours https://s3-ap-northeast-1.amazonaws.com/zeczec-prod/asset_327713_image_big.gif?1623896761 It is an international distress signal, that is, "three short tones, three long tones, and three short tones." It is extremely concise and clear, even untrained people and children can easily use the utensils at hand to send such a signal. ◆ Silent flashing light reminds you to change the battery! In a busy life, some small details are always missed. When using electronic products, the product is often out of power without knowing it! It doesn't come in handy when you really need it. With the replacement battery reminder function, it is safe to never power on again. https://i.ibb.co/GppPfrH/asset-334673-image-big2.gif Low battery reminder: The two white LED lights at the bottom flash alternately, and a single flashes once every 5 seconds. There is no sound reminder to remind you that you need to replace the battery! If the battery cannot be replaced in time, you can press the red button to pause the reminder. After 13 hours, it will flash silently to remind you to replace the battery. ◆ Full style https://s3-ap-northeast-1.amazonaws.com/zeczec-prod/asset_332022_image_big.jpg?1624580619 https://s3-ap-northeast-1.amazonaws.com/zeczec-prod/asset_333635_image_big.jpg?1624883807