Yolanda-lifeguard Reminders

Design orientation: for swimming pool lifeguards, to solve the problem of accurate reminder in noisy environment. Design features: FM (3-13kHz) high-frequency directional electronic whistle + short-range triangular whistle, dual-mode one-key switching, waterproof and anti-fall. User experience: aim immediately, sound beam is concentrated, reducing throat injury by mistake; Light grip is good, seconds cut far and near, decompression and efficiency increase. Material process: ultrasonic welding TPU ABS sealed shell, IPX8 waterproof, food grade mouthpiece, can be recycled charging. Social benefits: reduce the accident rate of swimming pools, relieve the occupational fatigue of lifeguards, and improve public safety.