Apartment Use

QH-927
  • Product Type: Pre-set Code Wireless Door Chimes
  • Color: White or Silver
  • Power Supply(Transmitter): 1×12V 23A
  • Power Supply(Receiver): AC 230-240V
  • Operating Range: 100M(in the open air)
  • Package: Blister
  • Place of origin: China
  • Price Terms: FOB,CIF
  • Payment Terms: T/T,L/C at sight
  • Minimum Order: 2000pcs
  • Delivery Time: 30 days
  • Brand Name: Quhwa or OEM logo available

Description:


*Wireless door chime with pre-set code                               

*IP44 waterproof transmitter with silicone gel button           
*White color default,silver painting color available                                           
*CE and RoHS compliant
*Energy saving, transmitter battery can be used for over 15 months,and plug-in receiver working power consumption less than 5W

*36 melodies                                                                                 

*Transmitting distance up to 100 meters in the open air


Specification:


FREQUENCY 315/433MHz±0.5MHz
ACTIVE PRESSURE WAVE(RECEIVER) ≤-57dbm
NEGATIVE PRESSURE WAVE(TRANSMITTER) ≤-36dbm
RECEPTION SENSITIVITY ≥-80dBm
POWER SUPPLY(TRANSMITTER) 1×12V 23A(INCLUDED)
POWER SUPPLY(RECEIVER) AC 230-240V
TRANSMITTING POWER ≤10mW
WORKING POWER CONSUMPTION ≤5W
RING VOLUME ≥70dB
OPERATING RANGE 100M(IN THE OPEN AIR)
SOUND OPTIONS 36 MELODIES