seatpost mounting bike and cycle accessories taillight

{"cid":"91213323","title":"Brake Sensing Bicycle Rear Lights Ultra Bright LED Waterproof Cycling Safety Taillight","imgUrl":"https:\/\/img.chinax.com\/nimg\/ca\/e8\/341ed341d80933862de917428da0-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Boshing","Model Number":"BS-PL247RS","Minimum Order Quantity":"1 PCS","Delivery Time":"25-45 Days","Certification":"CE,ROHS,BSCI","Place of Origin":"Zhejiang, China","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"1000PCS\/DAY","Packaging Details":"Single Blister\/Double Blister \/PVC Box\/Color Box","Type":"Smart Brake Sensing Rear Light","Product Number":"BS-PL247RS","LM":"5 LM","Fuction":"Constant, breath flash, flash and stop","Power Source":"Battery Powered","Battery":"400 mAh lithium battery included","Material":"ABS","Waterproof":"IPX5","Size":"40*35*35mm","Mounting Type":"Seat Mount"}}

{"cid":"91221491","title":"USB Rechargeable Bicycle Tail Comet LED Lamp for ABS PC Mounting Placement Seatpost","imgUrl":"https:\/\/img.chinax.com\/nimg\/e3\/1b\/f1cd5f6ec4dca7667050a5852002-200x200-1.jpg","attrs":{"Price":"$2.59\/pieces 100-499 pieces","Brand Name":"JWA","Model Number":"Bike rear light","Minimum Order Quantity":"1","Type":"LEDs","Power Supply":"Battery","Mounting Placement":"Seatpost","Place of Origin":"Shaanxi, China","Product name":"Bicycle Warning Light","Material":"ABS + PC","Size":"80 x 20 x 15mm","Color":"Black","Brightness (lumens)":"100 lumens","Combo Set Offered":"0","Position":"Rear Light","is_customized":"Yes","Certification":"CE\/FCC\/ROHS","Packaging Details":"1pc\/box"}}