Industrial Rechargeable Portable Lithium Battery Water Proof Outdoor Magnet Alarm Sounder Beacon. IP67 Waterproof Rating: Ensures reliable operation in harsh outdoor environments with full dust and water protection. 30 Hours Continuous Working Time: Long-lasting lithium battery provides extended warning signal duration for temporary setups. 95dB High Sound Pressure: Powerful horn delivers clear audible alarms up to 95dB for effective safety warnings. Magnet Base Design: Strong NdFeB magnet allows easy and secure attachment to metal surfaces for quick deployment. Customizable Alarm Tone: Special sound patterns can be customized according to specific customer requirements. OEM and ODM Services: Full customization available from samples, designs, or minor modifications for tailored solutions. Fast Charging Capability: Charges fully within 2 to 3 hours using AC110V~240V input for rapid readiness. Durable LED Strobe Light: High brightness LED flashing light ensures high visibility in various lighting conditions.