Nitecore NU50 - Dual LED Lightweight USB-C Rechargeable Headlamp, Obstruction Sensor (1400 Lumens, in-built 4000mAh Li-ion Battery)

Nitecore NU50 Lightweight USB-C Rechargeable Headlamp, Built-in 4000mah Battery, Safety Sensor for Proximity 

- Extremely light weight, Built For Trail Running for Runners, Hikers, Backpackers, DIY Work
- USB-C Port for Internal Recharging of 4000mah in-Built Battery (USB-C cable included)
- Wide Hollow headband for comfort, keeps sweat away, Reflective bands built-in 
- Built-in Sensor to detect any obstruction to lower brightness to avoid overheating 
- Rated for 130mts beam distance, 5 brightness modes + 2 Red output modes + SOS + BEACON 

Features:  
- High performance lightweight USB-C rechargeable headlamp
- Max output of 1400 lumens
- Red light illumination designed for protecting the night vision
- Utilizes a unibody optical lens system with various facets for reflecting a uniform and soft light
- Built-in 4000mAh Li-ion battery
- Built-in intelligent Li-ion battery charging circuit with a USB-C charging port (5V=2A)
- Designed with two buttons different in shape and touch, offering easy one-handed operation
- Lockout mode to prevent any accidental activation of the headlamp 
- 5 brightness levels, 2 light sources, and 3 special modes available
- Designed with 4 power indicators to indicate the remaining battery power
- Made from durable PC material with an aluminum alloy front housing
- Compact and lightweight
- Impact resistant to 2 meters
- Waterproof and dustproof rating in accordance with IP68

Specifications:  
- LED: 2 x High Performance LEDs, 1 x Secondary Red LED 
- Power Source: Built-In 4000 mAh Lithium Ion Battery Pack (21700) 
- IP Rating: IP68 (Dust-tight, waterproof and submersible up to 2 meter) 
- Impact Resistance: 2 meters 
- Brightness Outputs:  in Built-in Battery
                               Turbo  - 1400 Lumens  - 
                               High - 600 Lumens - 11 Hours 
                               Medium - 300 Lumens - 16 Hours
                               Low - 100 Lumens - 31 Hours
                               Ultralow - 8 Lumen - 180 Hours
                                        Red Light :  
                                            Constant-ON - 5 Lumens - 100 Hours 
                                            Slow Flashing - 10 Lumens - 100 Hours 
                                Beacon - 1400 Lumens
                                SOS - 1400 Lumens
- Peak Beam Distance: 130 meters
- Peak Beam Intensity: 3800 cd  

Dimensions:  Length x Width x Depth : 83.4 x 48.5 x 43.9 mm
Weight: 146 gms (with headband and bracket) 

Accessories Included: Nylon Headband, USB-C charging cable