Model & power	SZG573-50W	SZG573-70W	SZG573-90W
Brand of led chip	Philips	Philips	Philips
Luminous efficiency for led chip	240 lm/W	240 lm/W	240 lm/W
Total luminous flux of led chip	12000±5% lm	16800±5% lm	24000±5% lm
Light efficacy for luminaire	200 lm/W	200 lm/W	200 lm/W
Beam angle	140°*70°	140°*70°	140°*70°
Correlated color temperature	2200-6500K	2200-6500K	2200-6500K
Color rendering index	≥75Ra	≥75Ra	≥75Ra
LED lifespan	100000 hrs	100000 hrs	100000 hrs
Type of battery	LFP battery	LFP battery	LFP battery
Capacity of battery	150Wh	250Wh	350Wh
Lifespan of battery	≥3000 cycle	≥3000 cycle	≥3000 cycle
Charging time	6-7 hrs	6-7 hrs	6-7 hrs
Microwave sensor	yes	Yes	yes
Mono solar panel	25W	60W	60W
Dark sky requirement	yes	yes	yes
Adjustable tilt	yes	yes	yes
Material of shell	die-casting aluminum	die-casting aluminum	die-casting aluminum
Lighting time per day	12 hrs	12 hrs	12 hrs
Continuous rainy day	2-3 days	2-3 days	2-3 days
Discharging temperature	-20～+55℃	-20～+55℃	-20～+55℃
IP protection	IP66	IP66	IP66
Dimension	750*280*80 mm	1050*400*95 mm	1050*400*95 mm
Weight	7 Kg	10.0 Kg	11 Kg
Diameter of mounting pipe	Φ50 mm	Φ60 mm	Φ60 mm
Recommended mounting height	5-6 m	6-7 m	7 m

Note：Selecting the power of lamp refers to the recommended installation height in the table.