Fits all T-Rex 450
Each set of Night Blades is carefully constructed to maintain static balance for weight, these night blades provide excellent visual orientation for flying at night, use very bright LEDS and rechargeable Li-Ion battery (light weight, big capacity, long operation hour).
Use 3K carbon fiber material, and unique forming technique, improve anti-twist, suitable for extreme 3D flight.
Feature:
Low voltage pre-charging
Short circuit protection
CC/CV charging method
Dynamic battery resistance compensation to deduce charging time
Dual LED indicating light, Detected function of battery status
Specification
Shape: Symmetrical wing
Length: 325X32mm
Width: 4.7mm
Shaft Diameter: 3mm
Weight: 52g/set
Balance stickerx2
Night Blade Connector(3 pin)x2
Chargerx1
Charger input voltage(directly connect to lead storage battery) DC5V~12V
AC Switching Power adapter, Input voltage:AC 100V~240V 50Hz~60Hz
Charge current:Approx. 10mA( Pre-charge current: Approx. 4mA)
Charge time:Approx. 70 mins
Full charge voltage:Approx. 4.2V
AC Switching Power adapterx1
DC power switcherx1

Use 3K carbon fiber material, and unique forming technique, improve anti-twist, suitable for extreme 3D flight.
Shape: Symmetrical wing
Length:325x32mm
Width:4.7mm
Shaft Diameter:3mm
Weight:40g/set

Shape: Symmetrical wing
Length:325x32mm
Width:4.7mm
Shaft Diameter:3mm
Weight:36g/set

High Quality Stainless Steel Spindle Shaft (4pcs) - Trex450 PRO
Product Details
Package includes:
Spindle shaft x 4
Washer x 2(Φ2xΦ6x0.6mm)
Socket screw x 2(M2x6mm)
These spindle shafts are made of high quality stainless steel and is very straight and true.  It is same quality but at Incredible low price compared to stock spindle shafts: Save $$$