The wireless doorbell intercom allows guests and the owner of the house to achieve more convenient communication and connection.
Wireless doorphone TR-H7 can be placed on necessary place, it is wireless.
|Working voltage||IN – bttery(1.5V.3) out-rechargeable Li-ion bttery|
|Work temperature||– 20C-55 C|
200M(w/o any obstacle)
Wireless doorphone TR-H7’s warranty lasts for one (1) years from the date of original purchase of this product.