Color: White and black, Input: 100-240 AC 50/60Hz, Transposition method: GFSK, Liquid Crystal Display: 3.5″TFT LCD, Operating humidity: 5%~90%rh (relative humidity), Operating temperature: 0-40℃, Transmission power: 18DBM Max, Adapter: EU plug, Name: 3.5-inch baby monitor, Output: 300mA: 5VDC 700mA, Working Range: Up to 900 feet, Frequency: 2.4Ghz FHss, Battery serving time: Up to 10-12 hours.
Price history, coupons and price alert are available on this page. You probably want to know 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 and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($70.99): BG2da545
2. ($78.25): BGGutscheine
3. ($79.11): BG8ReviTrage
4. ($79.11): BGcoupon8off
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGbe5ad4, BGa8a77c, BGb3221e, BGc289b5, BGc7a292, Cuponation9
(probably won’t work, but you can try them out)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Baby Monitor with Camera 2.4Ghz 3.5-inch [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for Baby Monitor with Camera 2.4Ghz 3.5-inch. The lowest price was: $61.99.
Price records source(s): 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)).