alarmPlayback Mode: realtime, AndroidNetwork Interface: 1/4 adaptable RJ45 10M / 100MCamera Feature1/3 inch color CMOS image sensorBuilt-in IR-cut filter, motion, time, for clear night visionOperation Temperature: -10 – 50 Centigrade, routine, eventSmart Phone Systems: for iOS, color on day / switch to black and white at nightBuilt-in 3.6mm lens for wide view angleBullet Camera: 4pcs infrared LEDs, Operating System: embedded Linux OSAV Input: 4 CHAV Output: RCA 1CHVideo Resolution: 720PVideo Mode: manual.
Go down and check coupons out. Remember to check price history if it is available. What is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. Well, there is one coupon available right now.
Link: Banggood product page
1. ($170.48): 7bcdf9
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): 5948dc, elec, camera15, BGBFCR38, BGESCAM12, AFfbG10, BGMPB2020, BGAFF10OFF, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BgoFErTaSchInA10, BGELIG0920, BgcLuBofErtA10, BGCuponation10
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for ESCAM WNK403 720P DVR IP Camera Kit. The lowest price was: $125.42.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).