2pcs LED Ultra-bright Flashlights, Rechargeable High Lumens, 3 Modes, Zoom, Portable Camping Flashlights, For Outdoor Hiking, Home Emergency, Built-in Lithium Battery Quantity:2 PACKS Function: Call Reminder

Function: Call Reminder

Whenever a danger is detected

Position: Reservoir Pond

Are you curious why two power supply methods are needed

it will take longer

2pcs LED Ultra-bright Flashlights, Rechargeable High Lumens, 3 Modes, Zoom, Portable Camping Flashlights, For Outdoor Hiking, Home Emergency, Built-in Lithium Battery Quantity:2 PACKS Function: Call ReminderSPECIFICATIONS Water Resistance Level: Non Waterproof Accessory: Charging Cable; Instruction guide Beam Type: Adjustable Beam Power Mode: USB Charging Operating Voltage: 36V Battery Properties: Rechargeable Battery Rechargeable Battery: Lithium Battery 18650 Series Brand: YANHUO Gear: 3 Interface Type: Micro USB Battery Capacity (mAh): 800 Material: ABS Light Source: High Power LED (above 1W) Festival: Mother's Day; Independence Day; Thanksgiving Day;