Справочник Пользователя для SHENZHEN HONG JI ELECTRONIC TECHNOLOGY CO. LTD KDB300

Thank you for choosing this wireless video door phone. Please read this Manual carefully to fully 

understand its usage, perfect functions and simple operation. 

Before using this product, please read these Attentions carefully to ensure safe and proper operation of 

this product. 

The Company reserves the right to modify this Manual from time to time without prior notice. 

 

 

● 

Do not place this product on an uneven or unstable table-board to prevent failure or damage caused 

by falling. 

● 

Only the battery and charger designated by the Company can be used on this product. Application 

of other products may lead to leakage, overheating, blowout and fire of the battery. 

● 

Do not violently strike, shake or toss the wireless video door phone to prevent failure and fire 

caused to the wireless video door phone. 

● 

Do not put battery, charger or wireless video door phone in the microwave oven or high-pressure 

device; otherwise, damage and fire of electrical circuit and other accidents may be caused. 

● 

Do not use this product in a place with flammable and explosive gas; otherwise, product failure 

and fire may be caused. 

● 

Do not place this product in a place with high temperature, high humidity or large amount of dust; 

otherwise, product failure may be caused. 

 

● 

Do not apply force on LCD screen or knock other objects with it, otherwise, breakage and damage 

of LCD panel and seepage of crystalline liquid will be caused. If the crystalline liquid enters your 

eyes, there will be danger of ablepsia. Wash your eyes (be sure not to rub your eyes) and go to see 

a doctor immediately 

● 

Do not dismantle or remodel this product, otherwise, damage, creepage and electrical fault may be 

caused to this product. 

● 

Do not press the keys with a pin, stump of pen/pencil and other keen-edged objects; otherwise, 

damage or misoperation will be caused. 

● 

Place tiny metal objects such as drawing pin at a place far away from the speaker. As the speaker 

has magnetic property while working, it will attract these tiny metal objects, which may lead to 

personal injuries or damage of the speaker. 

● 

Do not project the lens at strong light source, such as the sun; otherwise, damage of the image 

sensor may be caused. 

● 

Do not press the terminal of lens with much force; otherwise, personal injury or damage of the 

device may be caused. 

   
Attentions for operation of charger 

● 

You may charge the device with a charger or through a USB data line connected to the computer. 

● 

Charge with matched alternate current; creepage, fire and damage of the door phone and charger 

may be caused if other voltage is used. 

● 

It is forbidden to shortcircuit the charger, otherwise, electrical shock, smoke and damage of the 

charger will be caused. 

● 

Do not use the charger at the time when the power cord is damaged, otherwise, fire and electrical 

shock will be caused. 

● 

Clear away the dust accumulated on power outlet ASAP. 

● 

Do not place a vessel used to retain water beside the charger to prevent overheating, creepage and 

failure of charger caused by spilling water. 

● 

If the charger is in contact with water or other liquids, disconnect the power supply immediately to 

prevent overheating, fire, electrical shock and failure of the charger. 

● 

Do not dismantle or remodel the charger, otherwise, personal injury, electric shock, fire and 

damage of charger may be caused. 

● 

Do not use the charger in places with high humidity such as bathroom, otherwise, electric shock, 

fire and damage of the charger will be caused. 

● 

Do not touch the charger, electrical line and power outlet with wet hand(s), otherwise, electric 

shock may be caused. 

● 

Do not place heavy objects on the electrical line or refit the electrical line, otherwise, electric shock 

and fire will be caused. 

● 

Before cleaning and maintenance, first pull the plug off the power outlet.