Portable residual chlorine analyzer colorimeter LH-C10 is mainly use for rapid test to get the chlorine ion concentration in the water, using international standard method. It is eco-friendly, the test is fast and the result is accurate.
Cheap hot selling industrial magnetic water flow meter with rs485 protocol and 4-20mA output,as the product of long-term experience in thefield of flow instrument,has the functions of rapid response and output noise elimination,Its design and quality cont
PH3-3907B wireless music doorbell new type (BATTERY TYPE )1) · Suitable for homes, office installed in or outdoors buildings and ships etc.
2) · 25 sounds selectable at either tran...
Indoor monitor:Model: M2107BCCBasic 7"LCD Color Monitor with touch buttonHands-free villa video door phone4 wires connectionIntercom functionDoor monitoring functionLock con...
wireless doorbell battery 12v zinc manganese 23AProduct overviewType : Alkaline High Voltage BatteryChemical System : Zinc/Manganese DioxideNominal Voltage : 12.3VNom...
High quality android and Iphone wiless door bell for WIFI Video Door Bell :1. With bottom calling button;2. With rain-proof cover;3. With unlock function(sui...
7 inch color video door phone with mirror surface.See who's at the door from your living room/kitchen.Talk to them from your living room/kitchen.Hands f...
when you press the key on the transmitter, the self-powered coils of the inner module will be moved. it can transfer the kinetic energy into electrical energy...
Product Introduction: This smart wireless wifi doorbell uses P2P technology, which can connect to a wireless network or connect to router by network cable. It su...
Hotel Doorbell System Outdoor Panel in Acrylic Outline Frame (SK-DB100S4):(1) FORCE Electricity touch-type(2) Do not disturb indicator(3) Make up room & Please wait i...
WIFI Shop Door Bell , Nautical door bell wholesale wifi video door bell WIFI Video Door Bell :Product Description:
1. With bottom calling button;2. With rain-proof cover;3...